{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"850018274883","processing":{"collection_process_version":"2026-07-24.5","last_collected_at":"2026-07-24T23:35:07-0700","last_collection_event":"intake","label_reader_version":"2026-07-24.6","report_schema":"lookcloser/record@0.2","rendered_at":"2026-07-25T13:43:36-0700"},"analysis_status":"complete","processing_gaps":[],"gtin":"850018274883","listing_identifier":"B0CWM5K6W6","brand":"Nobi Nutrition","title":"Nobi Nutrition Magnesium Glycinate 500mg","listing_title":"Magnesium Glycinate 500mg | High Absorption | Sleep, Muscle, Bone, Heart Health & Relaxation Support for Women & Men | Chelated Mag Glycinate | Magnesium Supplement | Vegan & Non-GMO | 120 Capsules","identity":{"canonical_gtin":"00850018274883","source_listing_gtin":"00850018274883","listing_identifier":"B0CWM5K6W6","product_image":"https://m.media-amazon.com/images/I/71DDiPUWzQL.jpg","product_image_status":"retained","product_image_provenance":{"status":"retained","source":"source_listing","identity_basis":"exact_listing_identifier","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","primary_url":"https://m.media-amazon.com/images/I/71DDiPUWzQL.jpg","image_count":8,"last_attempted":"2026-07-24T23:35:07-0700","attempts":1},"observed_at":"2026-07-24","source_confirmations":["source_listing_gtin","external_barcode_record","brand_store_gtin"],"brand_consistency":{"status":"match","compatible":true,"listing_brand":"Nobi Nutrition","package_brand":"NOBI NUTRITION","match_method":"normalized_exact","similarity":1},"identity_rule":"exact identifiers only; related products are never substituted"},"trademark_owner":{"name":"Nobi Nutrition LLC","entity":"LIMITED LIABILITY COMPANY","country":"DELAWARE, USA","address_filed":"6800 Long Leaf Drive, Parkland, Florida 33076, UNITED STATES","address_public":"Florida 33076, UNITED STATES","serial_number":"87957680","registration_number":"5655747","wordmark":"NOBI NUTRITION","status_description":"SECTION 8 & 15-ACCEPTED AND ACKNOWLEDGED","filed_date":"2018-06-11T00:00:00","first_use_commerce_date":"2017-05-12","registration_date":"2019-01-15","assignment_recorded":false,"goods_services":["IC 005: Nutritional supplements; Dietary and nutritional supplements."],"source":"USPTO Trademark Search","source_url":"https://tsdr.uspto.gov/#caseNumber=87957680&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","identity_basis":"exact_wordmark_and_supplement_goods"},"trademark_owner_candidates":[],"trademark_owner_status":"found","product_manufacturer_link":"not_established","label_responsible_parties":[{"role":"manufactured_for","name":"Nobi Nutrition, LLC","address":"239 2nd Ave. S, 2nd Floor,\nSt. Petersburg, FL 33701","verbatim":"Manufactured for: Nobi Nutrition, LLC\n239 2nd Ave. S, 2nd Floor,\nSt. Petersburg, FL 33701"}],"identity_nodes":[{"role":"trademark_owner","name":"Nobi Nutrition LLC","country":"DELAWARE, USA","address":"6800 Long Leaf Drive, Parkland, Florida 33076, UNITED STATES","source_ref":"uspto_search","identity_basis":"exact_wordmark_supplement_class"},{"role":"manufactured_for","name":"Nobi Nutrition, LLC","address":"239 2nd Ave. S, 2nd Floor,\nSt. Petersburg, FL 33701","verbatim":"Manufactured for: Nobi Nutrition, LLC\n239 2nd Ave. S, 2nd Floor,\nSt. Petersburg, FL 33701","source_ref":"facts_panel","identity_basis":"verbatim_package_text","relationship_to_trademark_owner":"exact_normalized_name_match","relationship_limit":"Different printed and trademark-owner names do not establish a conflict; the entities may have distributor, manufacturer, or licensing relationships."}],"seller_of_record":null,"seller_of_record_status":"not_collected_founder_gated","consumer_view":{"template":"claim_question","kicker":"The useful read","headline":"The listing and exact brand page both say it is tested, but neither names the lab.","deck":"The exact brand page repeats the marketing claim, but repetition is not independent testing evidence. A named issuer and lot-specific report would make it checkable.","display_mode":"single_home_per_finding","finding_ids":["certification-laboratory-record-testing-claimed-documentation-not-found","nih-published-research-each-ingredient-s-amount-is-disclosed","brand-storefront-same-barcode-on-the-brand-s-own-store","nih-published-research-research-context-is-available-for-the-listed-ingr","nih-published-research-reaching-a-studied-dose-costs-about-8-month","uspto-trademark-registry-exact-trademark-owner-identified","review_velocity_gradual"],"point_finding_ids":["certification-laboratory-record-testing-claimed-documentation-not-found","nih-published-research-each-ingredient-s-amount-is-disclosed","brand-storefront-same-barcode-on-the-brand-s-own-store"],"cards":[{"finding_id":"certification-laboratory-record-testing-claimed-documentation-not-found","card_type":"testing_claimed_no_lab","question":"safety","tone":"warn","weight":80,"headline":"The listing and exact brand page both say it is tested, but neither names the lab.","evidence":"The observed listing and the exact brand product page both claim third-party testing. 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A named issuer and lot-specific report would make it checkable.","source":"Certification / laboratory record","source_links":[{"label":"Observed listing claim","url":"https://www.amazon.com/dp/B0CWM5K6W6","role":"claim surface"},{"label":"Official brand product page","url":"https://nobinutrition.com/products/magnesium-glycinate-capsules-120ct","role":"exact product · claim repeated"}],"registry_receipts":[],"evidence_id":"ev-c9ebd2226f04","evidence_url":"https://lookcloser.ai/e/ev-c9ebd2226f04","presentation_home":"claim_scorecard"},{"finding_id":"nih-published-research-each-ingredient-s-amount-is-disclosed","card_type":"amounts_disclosed","question":"label","tone":"ok","weight":50,"headline":"Every ingredient shows its amount · 1 ingredients listed.","evidence":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","so_what":"Every ingredient shows its real amount — nothing is hidden in a proprietary blend.","source":"NIH / published research","source_links":[],"registry_receipts":[],"evidence_id":"ev-ed977905baaf","evidence_url":"https://lookcloser.ai/e/ev-ed977905baaf","presentation_home":"finding_catalog"},{"finding_id":"brand-storefront-same-barcode-on-the-brand-s-own-store","card_type":"upc_corroborated","question":"owner","tone":"ok","weight":48,"headline":"The barcode identity checks out · 850018274883.","evidence":"The brand's store lists this exact barcode as “Magnesium Glycinate 500mg” (variant: Default Title) — identity confirmed across retailer listings.","so_what":"The barcode matches, so we are checking the right product rather than a look-alike.","source":"Brand storefront","source_links":[],"registry_receipts":[],"evidence_id":"ev-357a0dd7dbe1","evidence_url":"https://lookcloser.ai/e/ev-357a0dd7dbe1","presentation_home":"finding_catalog"},{"finding_id":"nih-published-research-research-context-is-available-for-the-listed-ingr","card_type":"research_available","question":"goals","tone":"neutral","weight":44,"headline":"Research links are available for magnesium.","evidence":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","so_what":"Use the linked research to check whether the ingredient and outcome you care about are actually connected. Ingredient evidence does not verify this product.","source":"NIH / published research","source_links":[{"label":"NIH ODS — Magnesium fact sheet","url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","role":"magnesium context · not product evidence"},{"label":"PubMed search: magnesium glycinate supplementation","url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","role":"magnesium context · not product evidence"}],"registry_receipts":[{"source":"nih_ods_magnesium","url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","label":"NIH ODS — Magnesium fact sheet","registry_name":"NIH ODS","standard":null,"identifier":"magnesium"}],"evidence_id":"ev-5eb1f8926180","evidence_url":"https://lookcloser.ai/e/ev-5eb1f8926180","presentation_home":"research_section"},{"finding_id":"nih-published-research-reaching-a-studied-dose-costs-about-8-month","card_type":"cost_to_reach_dose","question":"value","tone":"neutral","weight":42,"headline":"Reaching a studied dose costs about $8/month","evidence":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $8 per month. A price observation, not a recommendation.","so_what":"Comparing cost at a research-relevant amount shows how quickly the package is used and what the routine actually costs.","source":"NIH / published research","source_links":[],"registry_receipts":[],"evidence_id":"ev-5cefd2d55abe","evidence_url":"https://lookcloser.ai/e/ev-5cefd2d55abe","presentation_home":"finding_catalog"},{"finding_id":"uspto-trademark-registry-exact-trademark-owner-identified","card_type":"owner_identified","question":"owner","tone":"neutral","weight":38,"headline":"🇺🇸 Brand owner: Nobi Nutrition LLC · limited liability company, DELAWARE, USA","evidence":"USPTO lists Nobi Nutrition LLC (LIMITED LIABILITY COMPANY) in DELAWARE, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","so_what":"This tells you who is behind the brand and where the trademark record points. It does not by itself identify the manufacturer.","source":"USPTO trademark registry","source_links":[],"registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=87957680&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 5655747","registry_name":"USPTO","standard":null,"identifier":"Registration 5655747"}],"evidence_id":"ev-7cfe520b908f","evidence_url":"https://lookcloser.ai/e/ev-7cfe520b908f","presentation_home":"ownership_section"},{"finding_id":"review_velocity_gradual","card_type":"review_velocity","question":"reviews","tone":"ok","weight":28,"headline":"Reviews grew steadily — about 338 between January 31, 2026 to July 16, 2026, with no sudden spike.","evidence":"Written reviews grew from 681 to 1003 across 2026-02-15 – 2026-07-16 with no single manufactured spike (largest 30-day gain ~81).","so_what":"Gradual growth is more ordinary. A sudden burst deserves a closer look.","source":"keepa","source_links":[{"label":"Keepa exact-listing history","url":"https://keepa.com/#!product/1-B0CWM5K6W6","role":"dated count history · exact listing"}],"registry_receipts":[],"evidence_id":"ev-63525f395db8","evidence_url":"https://lookcloser.ai/e/ev-63525f395db8","presentation_home":"finding_catalog"}],"research_links":[{"ingredient":"magnesium","label":"NIH ODS — Magnesium fact sheet","url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","scope":"ingredient_context","product_evidence":false},{"ingredient":"magnesium","label":"PubMed search: magnesium glycinate supplementation","url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","scope":"ingredient_context","product_evidence":false}],"open_items":["No identity-bound public label filing is retained in this record."]},"tldr":{"assessment":"checks_confirmed","headline":"Testing claimed — documentation not found","summary":"The observed listing and the exact brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. Repeating the claim across two pages confirms the brand publishes it, not that testing occurred. NSF, IFOS, USP, and Informed-Sport were not checked in this record.","lead_finding_id":"certification-laboratory-record-testing-claimed-documentation-not-found","key_findings":[{"id":"nih-published-research-each-ingredient-s-amount-is-disclosed","class":"ok","headline":"Each ingredient’s amount is disclosed","source":"NIH / published research","scope":"ingredient_context"},{"id":"uspto-trademark-registry-exact-trademark-owner-identified","class":"ok","headline":"Exact trademark owner identified","source":"USPTO trademark registry","scope":"brand_owner"},{"id":"brand-storefront-same-barcode-on-the-brand-s-own-store","class":"ok","headline":"Same barcode on the brand's own store","source":"Brand storefront","scope":"exact_listing"}],"documented_concern_count":1,"confirmed_check_count":5,"open_question_count":2,"usage_note":"Decision support, not medical advice or a product recommendation. Missing evidence is a gap, not a strike."},"origin_context":null,"verdict":{"state":"checks_confirmed","headline":"Testing claimed — documentation not found","detail":"The observed listing and the exact brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. Repeating the claim across two pages confirms the brand publishes it, not that testing occurred. NSF, IFOS, USP, and Informed-Sport were not checked in this record.","lead_finding_id":"certification-laboratory-record-testing-claimed-documentation-not-found","meaning":"Finding-first decision support. Confirmed checks are not endorsements; cautions identify documented facts or bounded comparisons, not medical advice."},"public_verifiability":{"state":"insufficient_public_data","headline":"This product can't be verified from public data","detail":"Neither good nor bad — the checks below show what this listing publishes and what it withholds. Verifiable products publish more.","meaning":"Evidence availability only. Missing public data is a gap, never a strike."},"consistency_score":null,"findings":[{"id":"claim_vs_panel_salt_weight","source":"listing+facts_panel","class":"warn","weight":78,"headline":"The label’s 500 mg reads 6× larger than the magnesium on the panel","detail":"Salt weight, not the actual mineral. 500 mg is the weight of the magnesium glycinate compound. The actual magnesium in it is 90 mg. You are getting 90 mg of magnesium per serving.","proof":{"claim_mg":500,"panel_mg":90,"panel_row":"Magnesium","ratio":5.56,"pattern":"salt_weight","subject":"magnesium"},"identity_basis":"listing","status":"live","severity":"warn","source_refs":["source_listing"],"source_url":"https://www.amazon.com/dp/B0CWM5K6W6","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-07-24","presentation_tone":"warn","evidence_id":"ev-573143e78445","evidence_url":"https://lookcloser.ai/e/ev-573143e78445","content_fingerprint":"sha256:b38e95900b5ce582f477af041daace83732aca4d942654089eb67ff4c9cf2e1d","registry_receipts":[],"evidence":{"summary":{"claim_mg":500,"panel_mg":90,"panel_row":"Magnesium","ratio":5.56,"pattern":"salt_weight","subject":"magnesium"},"source_refs":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked listing+facts_panel.","found":"Salt weight, not the actual mineral. 500 mg is the weight of the magnesium glycinate compound. The actual magnesium in it is 90 mg. You are getting 90 mg of magnesium per serving."},"html_anchor":"finding-claim_vs_panel_salt_weight","report_url":"https://lookcloser.ai/p/850018274883/full#finding-claim_vs_panel_salt_weight"},{"id":"nih-published-research-each-ingredient-s-amount-is-disclosed","source":"NIH / published research","class":"ok","severity":"ok","weight":38,"headline":"Each ingredient’s amount is disclosed","detail":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","proof":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","identity_basis":"ingredient","status":"live","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","scope":"ingredient_context","inference_level":"direct_observation","observed_at":"2026-07-24","presentation_tone":"ok","evidence_id":"ev-ed977905baaf","evidence_url":"https://lookcloser.ai/e/ev-ed977905baaf","content_fingerprint":"sha256:60844b47ee1855141486e47c168a0a150853ee6a981e7844eeaf02b6dcd6147b","registry_receipts":[],"evidence":{"summary":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_records":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","looked":"LookCloser checked NIH / published research.","found":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research."},"html_anchor":"finding-nih-published-research-each-ingredient-s-amount-is-disclosed","report_url":"https://lookcloser.ai/p/850018274883/full#finding-nih-published-research-each-ingredient-s-amount-is-disclosed"},{"id":"uspto-trademark-registry-exact-trademark-owner-identified","source":"USPTO trademark registry","class":"ok","severity":"ok","weight":38,"headline":"Exact trademark owner identified","detail":"USPTO lists Nobi Nutrition LLC (LIMITED LIABILITY COMPANY) in DELAWARE, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","proof":"USPTO lists Nobi Nutrition LLC (LIMITED LIABILITY COMPANY) in DELAWARE, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","identity_basis":"owner_exact","status":"live","source_refs":["uspto_search"],"source_url":"https://tsdr.uspto.gov/#caseNumber=87957680&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"direct_observation","observed_at":"2026-07-24","presentation_tone":"ok","evidence_id":"ev-7cfe520b908f","evidence_url":"https://lookcloser.ai/e/ev-7cfe520b908f","content_fingerprint":"sha256:9465ae25c6d70e9b52f7dbbfb779ffa8cc773a7028de0412c6ea3370050d62c3","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=87957680&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 5655747","registry_name":"USPTO","standard":null,"identifier":"Registration 5655747"}],"evidence":{"summary":"USPTO lists Nobi Nutrition LLC (LIMITED LIABILITY COMPANY) in DELAWARE, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","source_refs":["uspto_search"],"source_records":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=87957680&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-24","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5655747","receipt_label":"USPTO · Registration 5655747"}],"observed_at":"2026-07-24","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO lists Nobi Nutrition LLC (LIMITED LIABILITY COMPANY) in DELAWARE, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product."},"html_anchor":"finding-uspto-trademark-registry-exact-trademark-owner-identified","report_url":"https://lookcloser.ai/p/850018274883/full#finding-uspto-trademark-registry-exact-trademark-owner-identified"},{"id":"brand-storefront-same-barcode-on-the-brand-s-own-store","source":"Brand storefront","class":"ok","severity":"ok","weight":38,"headline":"Same barcode on the brand's own store","detail":"The brand's store lists this exact barcode as “Magnesium Glycinate 500mg” (variant: Default Title) — identity confirmed across retailer listings.","proof":"The brand's store lists this exact barcode as “Magnesium Glycinate 500mg” (variant: Default Title) — identity confirmed across retailer listings.","identity_basis":"listing","status":"live","source_refs":["brand_store","source_listing"],"source_url":"https://nobinutrition.com/products/magnesium-glycinate-capsules-120ct","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-07-24","presentation_tone":"ok","evidence_id":"ev-357a0dd7dbe1","evidence_url":"https://lookcloser.ai/e/ev-357a0dd7dbe1","content_fingerprint":"sha256:46d8bd65e9b8c2f9406e8a6002019bf2ad5ab3cccf45d9a74fe5878ab6678ef5","registry_receipts":[],"evidence":{"summary":"The brand's store lists this exact barcode as “Magnesium Glycinate 500mg” (variant: Default Title) — identity confirmed across retailer listings.","source_refs":["brand_store","source_listing"],"source_records":[{"source":"brand_store","source_url":"https://nobinutrition.com/products/magnesium-glycinate-capsules-120ct","observed_at":"2026-07-24","identity_basis":"exact_gtin","scope":"brand_or_exact_product"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked Brand storefront.","found":"The brand's store lists this exact barcode as “Magnesium Glycinate 500mg” (variant: Default Title) — identity confirmed across retailer listings."},"html_anchor":"finding-brand-storefront-same-barcode-on-the-brand-s-own-store","report_url":"https://lookcloser.ai/p/850018274883/full#finding-brand-storefront-same-barcode-on-the-brand-s-own-store"},{"id":"barcode-gtin-record-upc-independently-corroborated","source":"Barcode / GTIN record","class":"ok","severity":"ok","weight":38,"headline":"UPC independently corroborated","detail":"UPCitemdb resolves 850018274883 to \"Nobi Nutrition Magnesium Glycinate 500mg Chelated Bisglycinate Complex for Muscl\" (Nobi Nutrition) — consistent with this listing.","proof":"UPCitemdb resolves 850018274883 to \"Nobi Nutrition Magnesium Glycinate 500mg Chelated Bisglycinate Complex for Muscl\" (Nobi Nutrition) — consistent with this listing.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00850018274883","scope":"exact_product","inference_level":"direct_observation","observed_at":"2026-07-24","presentation_tone":"ok","evidence_id":"ev-fe97a9b5c630","evidence_url":"https://lookcloser.ai/e/ev-fe97a9b5c630","content_fingerprint":"sha256:a6823ce3c045f0fad27959b618441a40831e951539659f89d38135f3e83bce4a","registry_receipts":[],"evidence":{"summary":"UPCitemdb resolves 850018274883 to \"Nobi Nutrition Magnesium Glycinate 500mg Chelated Bisglycinate Complex for Muscl\" (Nobi Nutrition) — consistent with this listing.","source_refs":["barcode_search","source_listing"],"source_records":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00850018274883","observed_at":"2026-07-24","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked Barcode / GTIN record.","found":"UPCitemdb resolves 850018274883 to \"Nobi Nutrition Magnesium Glycinate 500mg Chelated Bisglycinate Complex for Muscl\" (Nobi Nutrition) — consistent with this listing."},"html_anchor":"finding-barcode-gtin-record-upc-independently-corroborated","report_url":"https://lookcloser.ai/p/850018274883/full#finding-barcode-gtin-record-upc-independently-corroborated"},{"id":"label-and-serving-arithmetic-listing-and-photo-read-panel-need-confirmat","source":"Label and serving arithmetic","class":"gap","severity":"pend","weight":26,"headline":"Listing and photo-read panel need confirmation","detail":"The listing says 500 mg, while our photo read produced Magnesium at 90 mg per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label.","proof":"The listing says 500 mg, while our photo read produced Magnesium at 90 mg per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B0CWM5K6W6","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-bc4e6e68a317","evidence_url":"https://lookcloser.ai/e/ev-bc4e6e68a317","content_fingerprint":"sha256:229fbc8da69cf4776d3854ae5adb98fb48de2bb7a3c46611354faf2a7839b076","registry_receipts":[],"evidence":{"summary":"The listing says 500 mg, while our photo read produced Magnesium at 90 mg per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked Label and serving arithmetic.","found":"The listing says 500 mg, while our photo read produced Magnesium at 90 mg per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label."},"html_anchor":"finding-label-and-serving-arithmetic-listing-and-photo-read-panel-need-confirmat","report_url":"https://lookcloser.ai/p/850018274883/full#finding-label-and-serving-arithmetic-listing-and-photo-read-panel-need-confirmat"},{"id":"certification-laboratory-record-testing-claimed-documentation-not-found","source":"Certification / laboratory record","class":"gap","severity":"pend","weight":23,"headline":"Testing claimed — documentation not found","detail":"The observed listing and the exact brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. Repeating the claim across two pages confirms the brand publishes it, not that testing occurred. NSF, IFOS, USP, and Informed-Sport were not checked in this record.","proof":"The observed listing and the exact brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. Repeating the claim across two pages confirms the brand publishes it, not that testing occurred. NSF, IFOS, USP, and Informed-Sport were not checked in this record.","identity_basis":"none","status":"live","source_refs":["source_listing","brand_store"],"source_url":"https://www.amazon.com/dp/B0CWM5K6W6","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-c9ebd2226f04","evidence_url":"https://lookcloser.ai/e/ev-c9ebd2226f04","content_fingerprint":"sha256:b4a66857eafff46c591edd7b3da77576322c3343be81eb9d5b91fe585666a3e9","registry_receipts":[],"evidence":{"summary":"The observed listing and the exact brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. Repeating the claim across two pages confirms the brand publishes it, not that testing occurred. NSF, IFOS, USP, and Informed-Sport were not checked in this record.","source_refs":["source_listing","brand_store"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://nobinutrition.com/products/magnesium-glycinate-capsules-120ct","observed_at":"2026-07-24","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-07-24","looked":"LookCloser checked Certification / laboratory record.","found":"The observed listing and the exact brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. Repeating the claim across two pages confirms the brand publishes it, not that testing occurred. NSF, IFOS, USP, and Informed-Sport were not checked in this record."},"html_anchor":"finding-certification-laboratory-record-testing-claimed-documentation-not-found","report_url":"https://lookcloser.ai/p/850018274883/full#finding-certification-laboratory-record-testing-claimed-documentation-not-found"},{"id":"nih-published-research-magnesium-amount-in-daily-intake-context","source":"NIH / published research","class":"gap","severity":"info","weight":22,"headline":"Magnesium amount, in daily-intake context","detail":"label states 500 mg/serving — about 119% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":"label states 500 mg/serving — about 119% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","identity_basis":"ingredient","status":"live","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","scope":"ingredient_context","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-50a442d166c0","evidence_url":"https://lookcloser.ai/e/ev-50a442d166c0","content_fingerprint":"sha256:750dca30cbc7104a2cdef90e4b82b7fb7e2a3918a0c8be270d84c90c60879ad7","registry_receipts":[{"source":"nih_ods_magnesium","url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","label":"NIH ODS — Magnesium fact sheet","registry_name":"NIH ODS","standard":null,"identifier":"magnesium"}],"evidence":{"summary":"label states 500 mg/serving — about 119% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_records":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","looked":"LookCloser checked NIH / published research.","found":"label states 500 mg/serving — about 119% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation."},"html_anchor":"finding-nih-published-research-magnesium-amount-in-daily-intake-context","report_url":"https://lookcloser.ai/p/850018274883/full#finding-nih-published-research-magnesium-amount-in-daily-intake-context"},{"id":"nih-published-research-reaching-a-studied-dose-costs-about-8-month","source":"NIH / published research","class":"gap","severity":"info","weight":22,"headline":"Reaching a studied dose costs about $8/month","detail":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $8 per month. A price observation, not a recommendation.","proof":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $8 per month. A price observation, not a recommendation.","identity_basis":"ingredient","status":"live","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","scope":"ingredient_context","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-5cefd2d55abe","evidence_url":"https://lookcloser.ai/e/ev-5cefd2d55abe","content_fingerprint":"sha256:d253296126440249af0eb8fdecfc683b85d2ba9e260c4d4cceaa4c98ac6cfae2","registry_receipts":[],"evidence":{"summary":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $8 per month. A price observation, not a recommendation.","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_records":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","looked":"LookCloser checked NIH / published research.","found":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $8 per month. A price observation, not a recommendation."},"html_anchor":"finding-nih-published-research-reaching-a-studied-dose-costs-about-8-month","report_url":"https://lookcloser.ai/p/850018274883/full#finding-nih-published-research-reaching-a-studied-dose-costs-about-8-month"},{"id":"nih-published-research-research-context-is-available-for-the-listed-ingr","source":"NIH / published research","class":"gap","severity":"info","weight":22,"headline":"Research context is available for the listed ingredients","detail":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","identity_basis":"ingredient","status":"live","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","scope":"ingredient_context","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-5eb1f8926180","evidence_url":"https://lookcloser.ai/e/ev-5eb1f8926180","content_fingerprint":"sha256:4c56490bec8a4e80e664692302024937ea6ad1bc303573253bf4ed2bd1959d12","registry_receipts":[{"source":"nih_ods_magnesium","url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","label":"NIH ODS — Magnesium fact sheet","registry_name":"NIH ODS","standard":null,"identifier":"magnesium"}],"evidence":{"summary":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","source_refs":["nih_ods_magnesium","pubmed_magnesium"],"source_records":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation."},"html_anchor":"finding-nih-published-research-research-context-is-available-for-the-listed-ingr","report_url":"https://lookcloser.ai/p/850018274883/full#finding-nih-published-research-research-context-is-available-for-the-listed-ingr"},{"id":"review_velocity_gradual","source":"keepa","class":"ok","weight":20,"headline":"Reviews accumulated gradually","detail":"Written reviews grew from 681 to 1003 across 2026-02-15 – 2026-07-16 with no single manufactured spike (largest 30-day gain ~81).","proof":{"first":["2026-02-15",681],"last":["2026-07-16",1003],"max_30d_review_gain":81},"identity_basis":"listing","status":"live","severity":"ok","source_refs":["source_listing"],"source_url":"https://www.amazon.com/dp/B0CWM5K6W6","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-07-24","presentation_tone":"ok","evidence_id":"ev-63525f395db8","evidence_url":"https://lookcloser.ai/e/ev-63525f395db8","content_fingerprint":"sha256:a4bcf3fbf9451f087e0b4e151978b2b186e8f334d10a30555b23db7c01d38d73","registry_receipts":[],"evidence":{"summary":{"first":["2026-02-15",681],"last":["2026-07-16",1003],"max_30d_review_gain":81},"source_refs":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked keepa.","found":"Written reviews grew from 681 to 1003 across 2026-02-15 – 2026-07-16 with no single manufactured spike (largest 30-day gain ~81)."},"html_anchor":"finding-review_velocity_gradual","report_url":"https://lookcloser.ai/p/850018274883/full#finding-review_velocity_gradual"},{"id":"label-and-serving-arithmetic-public-label-filing-not-retained","source":"Label and serving arithmetic","class":"gap","severity":"info","weight":19,"headline":"Public label filing not retained","detail":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists.","proof":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B0CWM5K6W6","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-03768541afd1","evidence_url":"https://lookcloser.ai/e/ev-03768541afd1","content_fingerprint":"sha256:c67be45e8d79e0a50a879202f094c98625e43df400e614996f4716feffc03a54","registry_receipts":[],"evidence":{"summary":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked Label and serving arithmetic.","found":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists."},"html_anchor":"finding-label-and-serving-arithmetic-public-label-filing-not-retained","report_url":"https://lookcloser.ai/p/850018274883/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","source":"Keepa exact-listing history","class":"gap","severity":"info","weight":19,"headline":"This item belongs to a catalog variation family","detail":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","proof":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","identity_basis":"listing","status":"live","source_refs":["keepa_history","source_listing"],"source_url":"https://keepa.com/#!product/1-B0CWM5K6W6","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-402880efa76d","evidence_url":"https://lookcloser.ai/e/ev-402880efa76d","content_fingerprint":"sha256:d17515f4fecdb85e956989dfa000aee967c9af89f02507e1a8bb9577ee27568c","registry_receipts":[],"evidence":{"summary":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","source_refs":["keepa_history","source_listing"],"source_records":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked Keepa exact-listing history.","found":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant."},"html_anchor":"finding-keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","report_url":"https://lookcloser.ai/p/850018274883/full#finding-keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam"},{"id":"keepa-exact-listing-history-180-day-review-count-history-is-on-file","source":"Keepa exact-listing history","class":"gap","severity":"info","weight":16,"headline":"180-day review-count history is on file","detail":"Exact-listing history records written-review counts from 665 on 2026-01-31 to 1,003 on 2026-07-16 (net +338). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","proof":"Exact-listing history records written-review counts from 665 on 2026-01-31 to 1,003 on 2026-07-16 (net +338). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","identity_basis":"listing","status":"live","source_refs":["keepa_history","source_listing"],"source_url":"https://keepa.com/#!product/1-B0CWM5K6W6","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-24","presentation_tone":"gap","evidence_id":"ev-0685f0545580","evidence_url":"https://lookcloser.ai/e/ev-0685f0545580","content_fingerprint":"sha256:941af679b8c20d8c780f38b427ef1c40b158d644c58a336a07218c96c47aad83","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 665 on 2026-01-31 to 1,003 on 2026-07-16 (net +338). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","source_refs":["keepa_history","source_listing"],"source_records":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 665 on 2026-01-31 to 1,003 on 2026-07-16 (net +338). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic."},"html_anchor":"finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file","report_url":"https://lookcloser.ai/p/850018274883/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"}],"evidence_records":[{"evidence_id":"ev-bc4e6e68a317","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:label-and-serving-arithmetic-listing-and-photo-read-panel-need-confirmat","primary_source":"facts_panel","claim":"Listing and photo-read panel need confirmation","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"The listing says 500 mg, while our photo read produced Magnesium at 90 mg per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label.","proof":{"detail":"The listing says 500 mg, while our photo read produced Magnesium at 90 mg per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:229fbc8da69cf4776d3854ae5adb98fb48de2bb7a3c46611354faf2a7839b076","evidence_url":"https://lookcloser.ai/e/ev-bc4e6e68a317"},{"evidence_id":"ev-50a442d166c0","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:nih-published-research-magnesium-amount-in-daily-intake-context","primary_source":"nih_ods_magnesium","claim":"Magnesium amount, in daily-intake context","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"label states 500 mg/serving — about 119% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":{"detail":"label states 500 mg/serving — about 119% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation."},"source_refs":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:750dca30cbc7104a2cdef90e4b82b7fb7e2a3918a0c8be270d84c90c60879ad7","evidence_url":"https://lookcloser.ai/e/ev-50a442d166c0"},{"evidence_id":"ev-5eb1f8926180","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"nih_ods_magnesium","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":{"detail":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation."},"source_refs":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:4c56490bec8a4e80e664692302024937ea6ad1bc303573253bf4ed2bd1959d12","evidence_url":"https://lookcloser.ai/e/ev-5eb1f8926180"},{"evidence_id":"ev-ed977905baaf","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:nih-published-research-each-ingredient-s-amount-is-disclosed","primary_source":"nih_ods_magnesium","claim":"Each ingredient’s amount is disclosed","bucket":"checks_out","looked":"LookCloser checked NIH / published research.","found":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","proof":{"detail":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research."},"source_refs":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:60844b47ee1855141486e47c168a0a150853ee6a981e7844eeaf02b6dcd6147b","evidence_url":"https://lookcloser.ai/e/ev-ed977905baaf"},{"evidence_id":"ev-5cefd2d55abe","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:nih-published-research-reaching-a-studied-dose-costs-about-8-month","primary_source":"nih_ods_magnesium","claim":"Reaching a studied dose costs about $8/month","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $8 per month. A price observation, not a recommendation.","proof":{"detail":"At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $8 per month. A price observation, not a recommendation."},"source_refs":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-24","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:d253296126440249af0eb8fdecfc683b85d2ba9e260c4d4cceaa4c98ac6cfae2","evidence_url":"https://lookcloser.ai/e/ev-5cefd2d55abe"},{"evidence_id":"ev-03768541afd1","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:label-and-serving-arithmetic-public-label-filing-not-retained","primary_source":"facts_panel","claim":"Public label filing not retained","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists.","proof":{"detail":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:c67be45e8d79e0a50a879202f094c98625e43df400e614996f4716feffc03a54","evidence_url":"https://lookcloser.ai/e/ev-03768541afd1"},{"evidence_id":"ev-357a0dd7dbe1","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:brand-storefront-same-barcode-on-the-brand-s-own-store","primary_source":"brand_store","claim":"Same barcode on the brand's own store","bucket":"checks_out","looked":"LookCloser checked Brand storefront.","found":"The brand's store lists this exact barcode as “Magnesium Glycinate 500mg” (variant: Default Title) — identity confirmed across retailer listings.","proof":{"detail":"The brand's store lists this exact barcode as “Magnesium Glycinate 500mg” (variant: Default Title) — identity confirmed across retailer listings."},"source_refs":[{"source":"brand_store","source_url":"https://nobinutrition.com/products/magnesium-glycinate-capsules-120ct","observed_at":"2026-07-24","identity_basis":"exact_gtin","scope":"brand_or_exact_product"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:46d8bd65e9b8c2f9406e8a6002019bf2ad5ab3cccf45d9a74fe5878ab6678ef5","evidence_url":"https://lookcloser.ai/e/ev-357a0dd7dbe1"},{"evidence_id":"ev-7cfe520b908f","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:uspto-trademark-registry-exact-trademark-owner-identified","primary_source":"uspto_search","claim":"Exact trademark owner identified","bucket":"checks_out","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO lists Nobi Nutrition LLC (LIMITED LIABILITY COMPANY) in DELAWARE, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","proof":{"detail":"USPTO lists Nobi Nutrition LLC (LIMITED LIABILITY COMPANY) in DELAWARE, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product."},"source_refs":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=87957680&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-24","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5655747","receipt_label":"USPTO · Registration 5655747"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:9465ae25c6d70e9b52f7dbbfb779ffa8cc773a7028de0412c6ea3370050d62c3","evidence_url":"https://lookcloser.ai/e/ev-7cfe520b908f"},{"evidence_id":"ev-fe97a9b5c630","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:barcode-gtin-record-upc-independently-corroborated","primary_source":"barcode_search","claim":"UPC independently corroborated","bucket":"checks_out","looked":"LookCloser checked Barcode / GTIN record.","found":"UPCitemdb resolves 850018274883 to \"Nobi Nutrition Magnesium Glycinate 500mg Chelated Bisglycinate Complex for Muscl\" (Nobi Nutrition) — consistent with this listing.","proof":{"detail":"UPCitemdb resolves 850018274883 to \"Nobi Nutrition Magnesium Glycinate 500mg Chelated Bisglycinate Complex for Muscl\" (Nobi Nutrition) — consistent with this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00850018274883","observed_at":"2026-07-24","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:a6823ce3c045f0fad27959b618441a40831e951539659f89d38135f3e83bce4a","evidence_url":"https://lookcloser.ai/e/ev-fe97a9b5c630"},{"evidence_id":"ev-c9ebd2226f04","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:certification-laboratory-record-testing-claimed-documentation-not-found","primary_source":"source_listing","claim":"Testing claimed — documentation not found","bucket":"unverified","looked":"LookCloser checked Certification / laboratory record.","found":"The observed listing and the exact brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. Repeating the claim across two pages confirms the brand publishes it, not that testing occurred. NSF, IFOS, USP, and Informed-Sport were not checked in this record.","proof":{"detail":"The observed listing and the exact brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. Repeating the claim across two pages confirms the brand publishes it, not that testing occurred. NSF, IFOS, USP, and Informed-Sport were not checked in this record."},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://nobinutrition.com/products/magnesium-glycinate-capsules-120ct","observed_at":"2026-07-24","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:b4a66857eafff46c591edd7b3da77576322c3343be81eb9d5b91fe585666a3e9","evidence_url":"https://lookcloser.ai/e/ev-c9ebd2226f04"},{"evidence_id":"ev-0685f0545580","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:keepa-exact-listing-history-180-day-review-count-history-is-on-file","primary_source":"keepa_history","claim":"180-day review-count history is on file","bucket":"unverified","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 665 on 2026-01-31 to 1,003 on 2026-07-16 (net +338). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","proof":{"detail":"Exact-listing history records written-review counts from 665 on 2026-01-31 to 1,003 on 2026-07-16 (net +338). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic."},"source_refs":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:941af679b8c20d8c780f38b427ef1c40b158d644c58a336a07218c96c47aad83","evidence_url":"https://lookcloser.ai/e/ev-0685f0545580"},{"evidence_id":"ev-402880efa76d","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","primary_source":"keepa_history","claim":"This item belongs to a catalog variation family","bucket":"unverified","looked":"LookCloser checked Keepa exact-listing history.","found":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","proof":{"detail":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant."},"source_refs":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:d17515f4fecdb85e956989dfa000aee967c9af89f02507e1a8bb9577ee27568c","evidence_url":"https://lookcloser.ai/e/ev-402880efa76d"},{"evidence_id":"ev-63525f395db8","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:review_velocity_gradual","primary_source":"source_listing","claim":"Reviews accumulated gradually","bucket":"checks_out","looked":"LookCloser checked keepa.","found":"Written reviews grew from 681 to 1003 across 2026-02-15 – 2026-07-16 with no single manufactured spike (largest 30-day gain ~81).","proof":{"first":["2026-02-15",681],"last":["2026-07-16",1003],"max_30d_review_gain":81},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:a4bcf3fbf9451f087e0b4e151978b2b186e8f334d10a30555b23db7c01d38d73","evidence_url":"https://lookcloser.ai/e/ev-63525f395db8"},{"evidence_id":"ev-573143e78445","record_id":"850018274883","gtin":"850018274883","claim_key":"finding:claim_vs_panel_salt_weight","primary_source":"source_listing","claim":"The label’s 500 mg reads 6× larger than the magnesium on the panel","bucket":"claimed_no_support","looked":"LookCloser checked listing+facts_panel.","found":"Salt weight, not the actual mineral. 500 mg is the weight of the magnesium glycinate compound. The actual magnesium in it is 90 mg. You are getting 90 mg of magnesium per serving.","proof":{"claim_mg":500,"panel_mg":90,"panel_row":"Magnesium","ratio":5.56,"pattern":"salt_weight","subject":"magnesium"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:b38e95900b5ce582f477af041daace83732aca4d942654089eb67ff4c9cf2e1d","evidence_url":"https://lookcloser.ai/e/ev-573143e78445"},{"evidence_id":"ev-3fcc3cebf87e","record_id":"850018274883","gtin":"850018274883","claim_key":"claim:testing","primary_source":"source_listing","claim":"“Magnesium delivers the support you need.* THIRD-PARTY TESTED: Nobi Nutrition’s Magnesium sleep”","bucket":"unverified","looked":"the observed listing, retained brand product page, any linked COA or test report; NSF, IFOS, USP, Informed-Sport were not queried","found":"No named laboratory or lot-specific certificate was found for this exact product. The exact brand page repeats a testing claim but names no issuer. NSF, IFOS, USP, and Informed-Sport were not checked in this record. This is a public-evidence limit, not a finding that testing did not occur.","proof":{"kind":"testing","status":"unverified","snippet":"…ts Magnesium delivers the support you need.* THIRD-PARTY TESTED: Nobi Nutrition’s Magnesium sleep supplement…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://nobinutrition.com/products/magnesium-glycinate-capsules-120ct","observed_at":"2026-07-24","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:64cea0a9dcf71dafb687967ae4b33be950c2182ad3bb894b92209ff7a5898015","evidence_url":"https://lookcloser.ai/e/ev-3fcc3cebf87e"},{"evidence_id":"ev-82933f9a5590","record_id":"850018274883","gtin":"850018274883","claim_key":"claim:manufacturing","primary_source":"source_listing","claim":"“Non-GMO, and manufactured in a GMP-Certified facility. 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MAXIMUM ABSORPTION CHELA…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0CWM5K6W6","observed_at":"2026-07-24","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://nobinutrition.com/products/magnesium-glycinate-capsules-120ct","observed_at":"2026-07-24","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-07-24","content_fingerprint":"sha256:d018717ef7bf6f5ef3bed200917dbb969375e805bc445cf0e0bb31b21a24ab10","evidence_url":"https://lookcloser.ai/e/ev-82933f9a5590"},{"evidence_id":"ev-96eb3c66e8d4","record_id":"850018274883","gtin":"850018274883","claim_key":"claim:efficacy","primary_source":"source_listing","claim":"“Muscle, Bone, Heart Health & Relaxation Support for Women & Men | Chelated Mag Glycinate |”","bucket":"partly","looked":"whether the ingredient doses on the label match the doses used in published research","found":"Ingredient evidence exists; on dose: label states 500 mg/serving — about 119% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). 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