{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"642893353315","processing":{"collection_process_version":"2026-07-24.5","last_collected_at":"2026-08-14T17:13:08-0700","last_collection_event":"intake","label_reader_version":"2026-07-27.1","report_schema":"lookcloser/record@0.2","rendered_at":"2026-08-14T19:19:02-0700"},"analysis_status":"complete","processing_gaps":[],"gtin":"642893353315","listing_identifier":"B07RD4DFNZ","brand":"NatureBell","title":"NatureBell Pure Magnesium Glycinate 500mg Per Serving","listing_title":"NatureBell Pure Magnesium Glycinate 500mg Per Serving, 2 Pack, 480 Capsules","identity":{"canonical_gtin":"00642893353315","source_listing_gtin":"00642893353315","listing_identifier":"B07RD4DFNZ","product_image":"https://m.media-amazon.com/images/I/81DSdeQ5nhL.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/B07RD4DFNZ","primary_url":"https://m.media-amazon.com/images/I/81DSdeQ5nhL.jpg","image_count":8,"last_attempted":"2026-08-14T17:13:08-0700","attempts":1},"observed_at":"2026-08-14","source_confirmations":["source_listing_gtin","external_barcode_record"],"brand_consistency":{"status":"match","compatible":true,"listing_brand":"NatureBell","package_brand":"NatureBell","match_method":"normalized_exact","similarity":1},"identity_rule":"exact identifiers only; related products are never substituted"},"trademark_owner":{"name":"Nature Bell, Inc.","entity":"CORPORATION","country":"CALIFORNIA, USA","address_filed":"4951 Holt Blvd, Suite C, Montclair, California 91763, UNITED STATES","address_public":"California 91763, UNITED STATES","serial_number":"88315012","registration_number":"5845207","wordmark":"NATUREBELL","status_description":"SECTION 8 & 15-ACCEPTED AND ACKNOWLEDGED","filed_date":"2019-02-25T00:00:00","first_use_commerce_date":"2017-06-01","registration_date":"2019-08-27","assignment_recorded":false,"goods_services":["IC 005: Dietary supplements."],"source":"USPTO Trademark Search","source_url":"https://tsdr.uspto.gov/#caseNumber=88315012&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":"Nature Bell","address":"4380 Mission Blvd, Montclair, CA 91763","verbatim":"MANUFACTURED FOR: Nature Bell 4380 Mission Blvd, Montclair, CA 91763 www.NatureBellUSA.com"}],"identity_nodes":[{"role":"trademark_owner","name":"Nature Bell, Inc.","country":"CALIFORNIA, USA","address":"4951 Holt Blvd, Suite C, Montclair, California 91763, UNITED STATES","source_ref":"uspto_search","identity_basis":"exact_wordmark_supplement_class"},{"role":"manufactured_for","name":"Nature Bell","address":"4380 Mission Blvd, Montclair, CA 91763","verbatim":"MANUFACTURED FOR: Nature Bell 4380 Mission Blvd, Montclair, CA 91763 www.NatureBellUSA.com","source_ref":"facts_panel","identity_basis":"verbatim_package_text","relationship_to_trademark_owner":"different_named_entity","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":"identity_review","kicker":"The useful read","headline":"Reviews went from 248 to 370 between July 27, 2025 and August 13, 2026 — 84% of them arrived in a single month.","deck":"A count that moves steadily is ordinary. 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(CORPORATION) in CALIFORNIA, 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 Nature Bell, Inc. (CORPORATION) in CALIFORNIA, 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=88315012&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"direct_observation","observed_at":"2026-08-14","presentation_tone":"ok","evidence_id":"ev-e09a13ca5b11","evidence_url":"https://lookcloser.ai/e/ev-e09a13ca5b11","content_fingerprint":"sha256:94357801b2ad5c58ad89951d93c34590328a73ca7c91f6425df9ec85f701f9e2","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=88315012&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 5845207","registry_name":"USPTO","standard":null,"identifier":"Registration 5845207"}],"evidence":{"summary":"USPTO lists Nature Bell, Inc. (CORPORATION) in CALIFORNIA, 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=88315012&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-14","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5845207","receipt_label":"USPTO · Registration 5845207"}],"observed_at":"2026-08-14","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO lists Nature Bell, Inc. (CORPORATION) in CALIFORNIA, 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/642893353315/full#finding-uspto-trademark-registry-exact-trademark-owner-identified"},{"id":"barcode-gtin-record-upc-independently-corroborated","source":"Barcode / GTIN record","class":"ok","noted":false,"severity":"ok","weight":38,"headline":"UPC independently corroborated","detail":"UPCitemdb resolves 642893353315 to \"2 Pack NatureBell Magnesium Glycinate 500mg  180 Capsules  Supports Muscle  Bone\" (Nature Bell) — consistent with this listing.","proof":"UPCitemdb resolves 642893353315 to \"2 Pack NatureBell Magnesium Glycinate 500mg  180 Capsules  Supports Muscle  Bone\" (Nature Bell) — consistent with this listing.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00642893353315","scope":"exact_product","inference_level":"direct_observation","observed_at":"2026-08-14","presentation_tone":"ok","evidence_id":"ev-0c0d2fc6860f","evidence_url":"https://lookcloser.ai/e/ev-0c0d2fc6860f","content_fingerprint":"sha256:65b8e07870dee8695f78fa11d357008e6ef572379530821c31430ae423c94e12","registry_receipts":[],"evidence":{"summary":"UPCitemdb resolves 642893353315 to \"2 Pack NatureBell Magnesium Glycinate 500mg  180 Capsules  Supports Muscle  Bone\" (Nature Bell) — consistent with this listing.","source_refs":["barcode_search","source_listing"],"source_records":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00642893353315","observed_at":"2026-08-14","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","looked":"LookCloser checked Barcode / GTIN record.","found":"UPCitemdb resolves 642893353315 to \"2 Pack NatureBell Magnesium Glycinate 500mg  180 Capsules  Supports Muscle  Bone\" (Nature Bell) — consistent with this listing."},"html_anchor":"finding-barcode-gtin-record-upc-independently-corroborated","report_url":"https://lookcloser.ai/p/642893353315/full#finding-barcode-gtin-record-upc-independently-corroborated"},{"id":"label-and-serving-arithmetic-label-math-withheld-variant-ambiguity","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"pend","weight":26,"headline":"Label math withheld — variant ambiguity","detail":"Multi-pack listing (pack of 2) — the stated weight may cover all packs, so per-serving mass can't be pinned. Arithmetic runs only when every number provably belongs to the same product size.","proof":"Multi-pack listing (pack of 2) — the stated weight may cover all packs, so per-serving mass can't be pinned. Arithmetic runs only when every number provably belongs to the same product size.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B07RD4DFNZ","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-1477daceeffc","evidence_url":"https://lookcloser.ai/e/ev-1477daceeffc","content_fingerprint":"sha256:898cabd1efc037198c7ee843c52ee5e53a504326cf7db43653dece5880878bb0","registry_receipts":[],"evidence":{"summary":"Multi-pack listing (pack of 2) — the stated weight may cover all packs, so per-serving mass can't be pinned. 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Arithmetic runs only when every number provably belongs to the same product size."},"html_anchor":"finding-label-and-serving-arithmetic-label-math-withheld-variant-ambiguity","report_url":"https://lookcloser.ai/p/642893353315/full#finding-label-and-serving-arithmetic-label-math-withheld-variant-ambiguity"},{"id":"certification-laboratory-record-testing-claimed-documentation-not-found","source":"Certification / laboratory record","class":"gap","noted":true,"severity":"pend","weight":23,"headline":"Testing claimed — documentation not found","detail":"The observed listing and a related brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. The related page does not publish this record's UPC. 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 a related brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. The related page does not publish this record's UPC. 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/B07RD4DFNZ","scope":"search_scope","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-e737e6327230","evidence_url":"https://lookcloser.ai/e/ev-e737e6327230","content_fingerprint":"sha256:1aad86da026268c7b091288ea998eff4ef2e3046154b49211f146c8aaec1a18f","registry_receipts":[],"evidence":{"summary":"The observed listing and a related brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. The related page does not publish this record's UPC. 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/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://www.NatureBellUSA.com/products/magnesium-glycinate-500mg-240-veggie-capsules","observed_at":"2026-08-14","identity_basis":"product_anchor_candidate","scope":"brand_or_exact_product"}],"observed_at":"2026-08-14","looked":"LookCloser checked Certification / laboratory record.","found":"The observed listing and a related brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. The related page does not publish this record's UPC. 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/642893353315/full#finding-certification-laboratory-record-testing-claimed-documentation-not-found"},{"id":"label-and-serving-arithmetic-listing-claim-matches-the-supplement-facts-","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"info","weight":22,"headline":"Listing claim matches the Supplement Facts panel","detail":"The listing claims 90 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium glycinate) at 90 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.","proof":"The listing claims 90 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium glycinate) at 90 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B07RD4DFNZ","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-e7cd3fc7e383","evidence_url":"https://lookcloser.ai/e/ev-e7cd3fc7e383","content_fingerprint":"sha256:e09032a637a825648b7667d7dbae94ae2a489468873cf99deb2681ff10507dd0","registry_receipts":[],"evidence":{"summary":"The listing claims 90 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium glycinate) at 90 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","looked":"LookCloser checked Label and serving arithmetic.","found":"The listing claims 90 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium glycinate) at 90 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing."},"html_anchor":"finding-label-and-serving-arithmetic-listing-claim-matches-the-supplement-facts-","report_url":"https://lookcloser.ai/p/642893353315/full#finding-label-and-serving-arithmetic-listing-claim-matches-the-supplement-facts-"},{"id":"nih-published-research-magnesium-amount-in-daily-intake-context","source":"NIH / published research","class":"gap","noted":false,"severity":"info","weight":22,"headline":"Magnesium amount, in daily-intake context","detail":"label states 90 mg/serving — about 21% 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 90 mg/serving — about 21% 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":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-bad919c4c34f","evidence_url":"https://lookcloser.ai/e/ev-bad919c4c34f","content_fingerprint":"sha256:0c9263041f4204b8f0b0b346079fc6d726b622d92732a74de833e9640ede3ccd","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 90 mg/serving — about 21% 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":"2026-08-14","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":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","looked":"LookCloser checked NIH / published research.","found":"label states 90 mg/serving — about 21% 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/642893353315/full#finding-nih-published-research-magnesium-amount-in-daily-intake-context"},{"id":"nih-published-research-reaching-a-studied-dose-costs-about-10-month","source":"NIH / published research","class":"gap","noted":false,"severity":"info","weight":22,"headline":"Reaching a studied dose costs about $10/month","detail":"At 2.2 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $10 per month. A price observation, not a recommendation.","proof":"At 2.2 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $10 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":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-06b5de947c62","evidence_url":"https://lookcloser.ai/e/ev-06b5de947c62","content_fingerprint":"sha256:01316c15ea8a446f70dea0d17ab5f065c79e591f61362ddef1a800448c2df80e","registry_receipts":[],"evidence":{"summary":"At 2.2 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $10 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":"2026-08-14","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":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","looked":"LookCloser checked NIH / published research.","found":"At 2.2 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $10 per month. A price observation, not a recommendation."},"html_anchor":"finding-nih-published-research-reaching-a-studied-dose-costs-about-10-month","report_url":"https://lookcloser.ai/p/642893353315/full#finding-nih-published-research-reaching-a-studied-dose-costs-about-10-month"},{"id":"nih-published-research-research-context-is-available-for-the-listed-ingr","source":"NIH / published research","class":"gap","noted":false,"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":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-70407f3e3894","evidence_url":"https://lookcloser.ai/e/ev-70407f3e3894","content_fingerprint":"sha256:ce64ca232265e281546a399e01fe077944c777635c9314eeac45263a0cb0cafd","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":"2026-08-14","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":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","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/642893353315/full#finding-nih-published-research-research-context-is-available-for-the-listed-ingr"},{"id":"label-and-serving-arithmetic-public-label-filing-not-retained","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Public label filing not retained","detail":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","proof":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B07RD4DFNZ","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-9de0cc9ba661","evidence_url":"https://lookcloser.ai/e/ev-9de0cc9ba661","content_fingerprint":"sha256:a1f3ef6757b48f22fb7c2a7fa9a99977af195fc140e80136a602c474f7fcb196","registry_receipts":[],"evidence":{"summary":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","looked":"LookCloser checked Label and serving arithmetic.","found":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists."},"html_anchor":"finding-label-and-serving-arithmetic-public-label-filing-not-retained","report_url":"https://lookcloser.ai/p/642893353315/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"fda-public-records-recall-search-no-match-found-as-of-aug-14-2026","source":"FDA public records","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Recall search: no match found (as of Aug 14, 2026)","detail":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records.","proof":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records.","identity_basis":"none","status":"live","source_refs":["openfda_search"],"source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22NatureBell%22+OR+product_description:%22NatureBell%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"caution","evidence_id":"ev-ea5f842f811f","evidence_url":"https://lookcloser.ai/e/ev-ea5f842f811f","content_fingerprint":"sha256:f49979f703549d162df11ad152163b8be2000b0ceaad564ea5b3e3a79750b264","registry_receipts":[],"evidence":{"summary":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records.","source_refs":["openfda_search"],"source_records":[{"source":"openfda_search","source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22NatureBell%22+OR+product_description:%22NatureBell%22)&limit=5","observed_at":"2026-08-14","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"NatureBell","receipt_label":"FDA enforcement search · NatureBell"}],"observed_at":"2026-08-14","looked":"LookCloser checked FDA public records.","found":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records."},"html_anchor":"finding-fda-public-records-recall-search-no-match-found-as-of-aug-14-2026","report_url":"https://lookcloser.ai/p/642893353315/full#finding-fda-public-records-recall-search-no-match-found-as-of-aug-14-2026"},{"id":"keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","source":"Keepa exact-listing history","class":"gap","noted":false,"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-B07RD4DFNZ","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-57fb6afc50a8","evidence_url":"https://lookcloser.ai/e/ev-57fb6afc50a8","content_fingerprint":"sha256:1eae1424f1aa2d982c60f2800ba8dc9785e72d8c0346893eb983589014969db5","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-B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","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/642893353315/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","noted":false,"severity":"info","weight":16,"headline":"180-day review-count history is on file","detail":"Exact-listing history records written-review counts from 246 on 2025-07-20 to 370 on 2026-08-13 (net +124). 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 246 on 2025-07-20 to 370 on 2026-08-13 (net +124). 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-B07RD4DFNZ","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-eda4122e9af8","evidence_url":"https://lookcloser.ai/e/ev-eda4122e9af8","content_fingerprint":"sha256:34b75941010dce50a14323116cac9ebdadc15f60786df0626b37c87bb3448842","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 246 on 2025-07-20 to 370 on 2026-08-13 (net +124). 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-B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 246 on 2025-07-20 to 370 on 2026-08-13 (net +124). 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/642893353315/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"},{"id":"uspto-trademark-registry-package-and-trademark-records-name-different-re","source":"USPTO trademark registry","class":"gap","noted":true,"severity":"info","weight":14,"headline":"Package and trademark records name different responsible entities","detail":"The package says manufactured for: Nature Bell, 4380 Mission Blvd, Montclair, CA 91763. USPTO names Nature Bell, Inc. as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship.","proof":"The package says manufactured for: Nature Bell, 4380 Mission Blvd, Montclair, CA 91763. USPTO names Nature Bell, Inc. as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship.","identity_basis":"owner_exact","status":"live","source_refs":["uspto_search","facts_panel"],"source_url":"https://tsdr.uspto.gov/#caseNumber=88315012&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-4a58b48a9ea8","evidence_url":"https://lookcloser.ai/e/ev-4a58b48a9ea8","content_fingerprint":"sha256:90a9a0737dda92558046086d5184e79b58fdd628d02e1cb92f39db91c3ee5722","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=88315012&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 5845207","registry_name":"USPTO","standard":null,"identifier":"Registration 5845207"}],"evidence":{"summary":"The package says manufactured for: Nature Bell, 4380 Mission Blvd, Montclair, CA 91763. USPTO names Nature Bell, Inc. as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship.","source_refs":["uspto_search","facts_panel"],"source_records":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=88315012&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-14","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5845207","receipt_label":"USPTO · Registration 5845207"},{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","looked":"LookCloser checked USPTO trademark registry.","found":"The package says manufactured for: Nature Bell, 4380 Mission Blvd, Montclair, CA 91763. USPTO names Nature Bell, Inc. as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship."},"html_anchor":"finding-uspto-trademark-registry-package-and-trademark-records-name-different-re","report_url":"https://lookcloser.ai/p/642893353315/full#finding-uspto-trademark-registry-package-and-trademark-records-name-different-re"}],"evidence_records":[{"evidence_id":"ev-8a5ed1123230","record_id":"642893353315","gtin":"642893353315","claim_key":"finding:review_velocity_spike","primary_source":"source_listing","claim":"Reviews arrived in a burst, not gradually","bucket":"claimed_no_support","looked":"LookCloser checked keepa.","found":"The dated series runs from 248 written reviews on July 27, 2025 to 370 on August 13, 2026. Up to 312 written reviews were added within a single ~30-day window — 84% of the total. Sudden bursts are the usual fingerprint of incentivized or bought reviews; a steady climb is not.","proof":{"first":["2025-07-27",248],"last":["2026-08-13",370],"max_30d_review_gain":312,"share_of_total":0.84},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:484e2ab2a80c645a171a56c82197a3d5103ee078c006fb2329dac3e30382669b","evidence_url":"https://lookcloser.ai/e/ev-8a5ed1123230"},{"evidence_id":"ev-e09a13ca5b11","record_id":"642893353315","gtin":"642893353315","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 Nature Bell, Inc. (CORPORATION) in CALIFORNIA, 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 Nature Bell, Inc. (CORPORATION) in CALIFORNIA, 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=88315012&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-14","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5845207","receipt_label":"USPTO · Registration 5845207"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:94357801b2ad5c58ad89951d93c34590328a73ca7c91f6425df9ec85f701f9e2","evidence_url":"https://lookcloser.ai/e/ev-e09a13ca5b11"},{"evidence_id":"ev-0c0d2fc6860f","record_id":"642893353315","gtin":"642893353315","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 642893353315 to \"2 Pack NatureBell Magnesium Glycinate 500mg  180 Capsules  Supports Muscle  Bone\" (Nature Bell) — consistent with this listing.","proof":{"detail":"UPCitemdb resolves 642893353315 to \"2 Pack NatureBell Magnesium Glycinate 500mg  180 Capsules  Supports Muscle  Bone\" (Nature Bell) — consistent with this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00642893353315","observed_at":"2026-08-14","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:65b8e07870dee8695f78fa11d357008e6ef572379530821c31430ae423c94e12","evidence_url":"https://lookcloser.ai/e/ev-0c0d2fc6860f"},{"evidence_id":"ev-91c68bfd3787","record_id":"642893353315","gtin":"642893353315","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":"2026-08-14","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":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:64b47c0688b4809f4dbd86244d6775d0decc397a383453adfd7fb3b4137d648f","evidence_url":"https://lookcloser.ai/e/ev-91c68bfd3787"},{"evidence_id":"ev-ea5f842f811f","record_id":"642893353315","gtin":"642893353315","claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-aug-14-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Aug 14, 2026)","bucket":"unverified","looked":"LookCloser checked FDA public records.","found":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records.","proof":{"detail":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records."},"source_refs":[{"source":"openfda_search","source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%22NatureBell%22+OR+product_description:%22NatureBell%22)&limit=5","observed_at":"2026-08-14","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"NatureBell","receipt_label":"FDA enforcement search · NatureBell"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:f49979f703549d162df11ad152163b8be2000b0ceaad564ea5b3e3a79750b264","evidence_url":"https://lookcloser.ai/e/ev-ea5f842f811f"},{"evidence_id":"ev-4a58b48a9ea8","record_id":"642893353315","gtin":"642893353315","claim_key":"finding:uspto-trademark-registry-package-and-trademark-records-name-different-re","primary_source":"uspto_search","claim":"Package and trademark records name different responsible entities","bucket":"unverified","looked":"LookCloser checked USPTO trademark registry.","found":"The package says manufactured for: Nature Bell, 4380 Mission Blvd, Montclair, CA 91763. USPTO names Nature Bell, Inc. as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship.","proof":{"detail":"The package says manufactured for: Nature Bell, 4380 Mission Blvd, Montclair, CA 91763. USPTO names Nature Bell, Inc. as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship."},"source_refs":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=88315012&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-14","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5845207","receipt_label":"USPTO · Registration 5845207"},{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:90a9a0737dda92558046086d5184e79b58fdd628d02e1cb92f39db91c3ee5722","evidence_url":"https://lookcloser.ai/e/ev-4a58b48a9ea8"},{"evidence_id":"ev-1477daceeffc","record_id":"642893353315","gtin":"642893353315","claim_key":"finding:label-and-serving-arithmetic-label-math-withheld-variant-ambiguity","primary_source":"facts_panel","claim":"Label math withheld — variant ambiguity","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"Multi-pack listing (pack of 2) — the stated weight may cover all packs, so per-serving mass can't be pinned. Arithmetic runs only when every number provably belongs to the same product size.","proof":{"detail":"Multi-pack listing (pack of 2) — the stated weight may cover all packs, so per-serving mass can't be pinned. Arithmetic runs only when every number provably belongs to the same product size."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:898cabd1efc037198c7ee843c52ee5e53a504326cf7db43653dece5880878bb0","evidence_url":"https://lookcloser.ai/e/ev-1477daceeffc"},{"evidence_id":"ev-e7cd3fc7e383","record_id":"642893353315","gtin":"642893353315","claim_key":"finding:label-and-serving-arithmetic-listing-claim-matches-the-supplement-facts-","primary_source":"facts_panel","claim":"Listing claim matches the Supplement Facts panel","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"The listing claims 90 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium glycinate) at 90 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.","proof":{"detail":"The listing claims 90 mg; the photo-read Supplement Facts panel shows Magnesium (as magnesium glycinate) at 90 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:e09032a637a825648b7667d7dbae94ae2a489468873cf99deb2681ff10507dd0","evidence_url":"https://lookcloser.ai/e/ev-e7cd3fc7e383"},{"evidence_id":"ev-9de0cc9ba661","record_id":"642893353315","gtin":"642893353315","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":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","proof":{"detail":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:a1f3ef6757b48f22fb7c2a7fa9a99977af195fc140e80136a602c474f7fcb196","evidence_url":"https://lookcloser.ai/e/ev-9de0cc9ba661"},{"evidence_id":"ev-e737e6327230","record_id":"642893353315","gtin":"642893353315","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 a related brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. The related page does not publish this record's UPC. 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 a related brand product page both claim third-party testing. Neither names the laboratory or links a product- or lot-specific report. The related page does not publish this record's UPC. 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/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://www.NatureBellUSA.com/products/magnesium-glycinate-500mg-240-veggie-capsules","observed_at":"2026-08-14","identity_basis":"product_anchor_candidate","scope":"brand_or_exact_product"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:1aad86da026268c7b091288ea998eff4ef2e3046154b49211f146c8aaec1a18f","evidence_url":"https://lookcloser.ai/e/ev-e737e6327230"},{"evidence_id":"ev-eda4122e9af8","record_id":"642893353315","gtin":"642893353315","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 246 on 2025-07-20 to 370 on 2026-08-13 (net +124). 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 246 on 2025-07-20 to 370 on 2026-08-13 (net +124). 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-B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:34b75941010dce50a14323116cac9ebdadc15f60786df0626b37c87bb3448842","evidence_url":"https://lookcloser.ai/e/ev-eda4122e9af8"},{"evidence_id":"ev-57fb6afc50a8","record_id":"642893353315","gtin":"642893353315","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-B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:1eae1424f1aa2d982c60f2800ba8dc9785e72d8c0346893eb983589014969db5","evidence_url":"https://lookcloser.ai/e/ev-57fb6afc50a8"},{"evidence_id":"ev-bad919c4c34f","record_id":"642893353315","gtin":"642893353315","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 90 mg/serving — about 21% 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 90 mg/serving — about 21% 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":"2026-08-14","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":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:0c9263041f4204b8f0b0b346079fc6d726b622d92732a74de833e9640ede3ccd","evidence_url":"https://lookcloser.ai/e/ev-bad919c4c34f"},{"evidence_id":"ev-70407f3e3894","record_id":"642893353315","gtin":"642893353315","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":"2026-08-14","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":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:ce64ca232265e281546a399e01fe077944c777635c9314eeac45263a0cb0cafd","evidence_url":"https://lookcloser.ai/e/ev-70407f3e3894"},{"evidence_id":"ev-06b5de947c62","record_id":"642893353315","gtin":"642893353315","claim_key":"finding:nih-published-research-reaching-a-studied-dose-costs-about-10-month","primary_source":"nih_ods_magnesium","claim":"Reaching a studied dose costs about $10/month","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"At 2.2 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $10 per month. A price observation, not a recommendation.","proof":{"detail":"At 2.2 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $10 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":"2026-08-14","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":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:01316c15ea8a446f70dea0d17ab5f065c79e591f61362ddef1a800448c2df80e","evidence_url":"https://lookcloser.ai/e/ev-06b5de947c62"},{"evidence_id":"ev-0e5c1170bd2c","record_id":"642893353315","gtin":"642893353315","claim_key":"claim:testing","primary_source":"source_listing","claim":"“party lab tested for safety and”","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. A related brand page repeats a testing claim but names no issuer; its UPC is not published. 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":"…3rd party lab tested for safety and potency.…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07RD4DFNZ","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://www.NatureBellUSA.com/products/magnesium-glycinate-500mg-240-veggie-capsules","observed_at":"2026-08-14","identity_basis":"product_anchor_candidate","scope":"brand_or_exact_product"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:675fd0dc28c7e60a28a46bae8f4d4a641e8a21581e28f121d4f3dd1117901701","evidence_url":"https://lookcloser.ai/e/ev-0e5c1170bd2c"},{"evidence_id":"ev-526312e9bff9","record_id":"642893353315","gtin":"642893353315","claim_key":"claim:origin","primary_source":"source_listing","claim":"“IN USA WITH GLOBAL”","bucket":"unverified","looked":"customs records or label filings showing where ingredients were sourced and where it was made","found":"“Made in USA” can describe only final bottling. 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