{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"716563126315","processing":{"collection_process_version":"2026-07-24.5","last_collected_at":"2026-08-17T20:39:39-0700","last_collection_event":"intake","label_reader_version":"2026-07-27.1","report_schema":"lookcloser/record@0.2","rendered_at":"2026-09-03T13:44:33-0700"},"analysis_status":"complete","processing_gaps":[],"gtin":"716563126315","listing_identifier":"B0GNN7HRKC","brand":"Bronson","title":"Bronson Vitamin K2 + D3 & Magnesium Glycinate","listing_title":"Bronson Vitamin K2+D3 Magnesium Glycinate Supplement, 60 Capsules","identity":{"canonical_gtin":"00716563126315","source_listing_gtin":"00716563126315","listing_identifier":"B0GNN7HRKC","product_image":"https://m.media-amazon.com/images/I/71CeA54l07L.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/B0GNN7HRKC","primary_url":"https://m.media-amazon.com/images/I/71CeA54l07L.jpg","image_count":6,"last_attempted":"2026-08-17T20:39:39-0700","attempts":1},"observed_at":"2026-08-31","source_confirmations":["source_listing_gtin","brand_store_gtin"],"brand_consistency":{"status":"match","compatible":true,"listing_brand":"Bronson","package_brand":"BRONSON NUTRITION","match_method":"normalized_exact","similarity":0.6087},"identity_rule":"exact identifiers only; related products are never substituted"},"trademark_owner":{"name":"Bronson Nutritionals, LLC","entity":"LIMITED LIABILITY COMPANY","country":"NEW YORK, USA","address_filed":"70 Commerce Drive, Hauppauge, NEW YORK 11788, UNITED STATES","address_public":"NEW YORK 11788, UNITED STATES","serial_number":"85217049","registration_number":"4015452","wordmark":"BRONSON","status_description":"REGISTERED AND RENEWED","filed_date":"2011-01-13T00:00:00","first_use_commerce_date":"2003-12-31","registration_date":"2011-08-23","assignment_recorded":false,"goods_services":["IC 003: Anti-wrinkle creams; Body cream; Body milk; Cosmetic preparations for body care; Essential oils for personal use; Hair care preparations; Hair conditioners; Hair shampoo; Non-medicated foot lotions; Non-medicated skin care preparations; Skin cleansers; Skin conditioners; Skin cream; Skin lighteners; Skin moisturizer; Skin whitening preparations; Wrinkle-minimizing cosmetic preparations for topical facial use.","IC 005: Dietary and nutritional supplements; Dietary and nutritional supplements used for weight loss; Dietary supplements for human consumption; Herbal supplements.","IC 035: Mail order catalog services featuring dietary supplements and cosmetics; On-line retail store services featuring a wide variety of consumer goods of others; On-line retail store services featuring dietary supplements, cosmetics and over-the-counter pharmaceuticals."],"source":"USPTO Trademark Search","source_url":"https://tsdr.uspto.gov/#caseNumber=85217049&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_by","name":"Bronson Laboratories","address":"70 Commerce Drive Hauppauge, NY 11788 USA","verbatim":"Manufactured by Bronson Laboratories 70 Commerce Drive Hauppauge, NY 11788 USA"}],"identity_nodes":[{"role":"trademark_owner","name":"Bronson Nutritionals, LLC","country":"NEW YORK, USA","address":"70 Commerce Drive, Hauppauge, NEW YORK 11788, UNITED STATES","source_ref":"uspto_search","identity_basis":"exact_wordmark_supplement_class"},{"role":"manufactured_by","name":"Bronson Laboratories","address":"70 Commerce Drive Hauppauge, NY 11788 USA","verbatim":"Manufactured by Bronson Laboratories 70 Commerce Drive Hauppauge, NY 11788 USA","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":"claim_question","kicker":"What we found","headline":"Package and trademark records name different responsible entities","deck":"The package says manufactured by: Bronson Laboratories, 70 Commerce Drive Hauppauge, NY 11788 USA. USPTO names Bronson Nutritionals, LLC as the exact wordmark owner. …","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","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. 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. …","so_what":"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.","source":"Certification / laboratory record","source_links":[{"label":"Observed listing claim","url":"https://www.amazon.com/dp/B0GNN7HRKC","role":"claim surface"},{"label":"Official brand product page","url":"https://www.bronsonvitamins.com/products/vitamin-k2-d3-magnesium-glycinate","role":"exact product · claim repeated"}],"registry_receipts":[],"evidence_id":"ev-214d68470849","evidence_url":"https://lookcloser.ai/e/ev-214d68470849","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 · 3 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-91498221325c","evidence_url":"https://lookcloser.ai/e/ev-91498221325c","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 · 716563126315.","evidence":"The brand's store lists this exact barcode as “Vitamin K2 + D3 & Magnesium Glycinate” (variant: 60 Count) — 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-de043f13ef42","evidence_url":"https://lookcloser.ai/e/ev-de043f13ef42","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-65c9aa1535af","evidence_url":"https://lookcloser.ai/e/ev-65c9aa1535af","presentation_home":"research_section"},{"finding_id":"uspto-trademark-registry-exact-trademark-owner-identified","card_type":"owner_identified","question":"owner","tone":"neutral","weight":38,"headline":"🇺🇸 Brand owner: Bronson Nutritionals, LLC · limited liability company, NEW YORK, USA","evidence":"USPTO lists Bronson Nutritionals, LLC (LIMITED LIABILITY COMPANY) in NEW YORK, 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=85217049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 4015452","registry_name":"USPTO","standard":null,"identifier":"Registration 4015452"}],"evidence_id":"ev-c17d745ff2d2","evidence_url":"https://lookcloser.ai/e/ev-c17d745ff2d2","presentation_home":"ownership_section"},{"finding_id":"review_velocity_gradual","card_type":"review_velocity","question":"reviews","tone":"ok","weight":28,"headline":"Reviews rose from 31 to 61 between June 13 and August 20, 2026 — no sudden jump.","evidence":"Written reviews rose from 31 to 61 between June 13 and August 20, 2026. The largest rise inside any single 30-day window was about 18, so the count moved in steps rather than in one burst.","so_what":"A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.","source":"keepa","source_links":[{"label":"Keepa exact-listing history","url":"https://keepa.com/#!product/1-B0GNN7HRKC","role":"dated count history · exact listing"}],"registry_receipts":[],"evidence_id":"ev-0ca36aeca8e7","evidence_url":"https://lookcloser.ai/e/ev-0ca36aeca8e7","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 FDA recall matched this brand in the current search.","We have not found a public label filing for this exact product.","Barcode checksum is valid; no independent product record was found."]},"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":0,"confirmed_check_count":4,"open_question_count":1,"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. 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This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","proof":"USPTO lists Bronson Nutritionals, LLC (LIMITED LIABILITY COMPANY) in NEW YORK, 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=85217049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"direct_observation","observed_at":"2026-08-31","presentation_tone":"ok","evidence_id":"ev-c17d745ff2d2","evidence_url":"https://lookcloser.ai/e/ev-c17d745ff2d2","content_fingerprint":"sha256:449b6f1827ac1fae72d3ce52d7a358af2679aea11cc99203db5a193fd58d5abb","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=85217049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 4015452","registry_name":"USPTO","standard":null,"identifier":"Registration 4015452"}],"evidence":{"summary":"USPTO lists Bronson Nutritionals, LLC (LIMITED LIABILITY COMPANY) in NEW YORK, 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=85217049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-31","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 4015452","receipt_label":"USPTO · Registration 4015452"}],"observed_at":"2026-08-31","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO lists Bronson Nutritionals, LLC (LIMITED LIABILITY COMPANY) in NEW YORK, 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/716563126315/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","noted":false,"severity":"ok","weight":38,"headline":"Same barcode on the brand's own store","detail":"The brand's store lists this exact barcode as “Vitamin K2 + D3 & Magnesium Glycinate” (variant: 60 Count) — identity confirmed across retailer listings.","proof":"The brand's store lists this exact barcode as “Vitamin K2 + D3 & Magnesium Glycinate” (variant: 60 Count) — identity confirmed across retailer listings.","identity_basis":"listing","status":"live","source_refs":["brand_store","source_listing"],"source_url":"https://www.bronsonvitamins.com/products/vitamin-k2-d3-magnesium-glycinate","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-08-31","presentation_tone":"ok","evidence_id":"ev-de043f13ef42","evidence_url":"https://lookcloser.ai/e/ev-de043f13ef42","content_fingerprint":"sha256:555ce95822f40c1ed8f036b0c74dcc39aaf6e433928e11af8591b4e92ebabbc4","registry_receipts":[],"evidence":{"summary":"The brand's store lists this exact barcode as “Vitamin K2 + D3 & Magnesium Glycinate” (variant: 60 Count) — identity confirmed across retailer listings.","source_refs":["brand_store","source_listing"],"source_records":[{"source":"brand_store","source_url":"https://www.bronsonvitamins.com/products/vitamin-k2-d3-magnesium-glycinate","observed_at":"2026-08-31","identity_basis":"exact_gtin","scope":"brand_or_exact_product"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","looked":"LookCloser checked Brand storefront.","found":"The brand's store lists this exact barcode as “Vitamin K2 + D3 & Magnesium Glycinate” (variant: 60 Count) — identity confirmed across retailer listings."},"html_anchor":"finding-brand-storefront-same-barcode-on-the-brand-s-own-store","report_url":"https://lookcloser.ai/p/716563126315/full#finding-brand-storefront-same-barcode-on-the-brand-s-own-store"},{"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 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/B0GNN7HRKC","scope":"search_scope","inference_level":"gap","observed_at":"2026-08-31","presentation_tone":"gap","evidence_id":"ev-214d68470849","evidence_url":"https://lookcloser.ai/e/ev-214d68470849","content_fingerprint":"sha256:53247ef6e6c7a55f6176687058778510b02a72428fcec18c38833b3c95bbca3c","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/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://www.bronsonvitamins.com/products/vitamin-k2-d3-magnesium-glycinate","observed_at":"2026-08-31","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-08-31","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/716563126315/full#finding-certification-laboratory-record-testing-claimed-documentation-not-found"},{"id":"label-and-serving-arithmetic-multi-ingredient-formula-panel-read-serving","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"info","weight":22,"headline":"Multi-ingredient formula — panel read, serving weight unknown","detail":"We read the full Supplement Facts panel from the listing-image panel (below), but the label doesn’t state a serving weight, so the arithmetic can’t run. A gap in the label’s information, not evidence of a problem.","proof":"We read the full Supplement Facts panel from the listing-image panel (below), but the label doesn’t state a serving weight, so the arithmetic can’t run. A gap in the label’s information, not evidence of a problem.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B0GNN7HRKC","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-31","presentation_tone":"gap","evidence_id":"ev-d4cda73663f0","evidence_url":"https://lookcloser.ai/e/ev-d4cda73663f0","content_fingerprint":"sha256:7edf07673c88114156c54834ae93a30586f92d11165c4c88aa2ba9bf66a19b3e","registry_receipts":[],"evidence":{"summary":"We read the full Supplement Facts panel from the listing-image panel (below), but the label doesn’t state a serving weight, so the arithmetic can’t run. A gap in the label’s information, not evidence of a problem.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","looked":"LookCloser checked Label and serving arithmetic.","found":"We read the full Supplement Facts panel from the listing-image panel (below), but the label doesn’t state a serving weight, so the arithmetic can’t run. A gap in the label’s information, not evidence of a problem."},"html_anchor":"finding-label-and-serving-arithmetic-multi-ingredient-formula-panel-read-serving","report_url":"https://lookcloser.ai/p/716563126315/full#finding-label-and-serving-arithmetic-multi-ingredient-formula-panel-read-serving"},{"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":"2026-08-31","presentation_tone":"gap","evidence_id":"ev-65c9aa1535af","evidence_url":"https://lookcloser.ai/e/ev-65c9aa1535af","content_fingerprint":"sha256:a4a7d209b0412119c07361d475ddf968e878e8d371524e0947073734e5c1b3ce","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":"2026-08-31","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":"2026-08-31","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-31","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/716563126315/full#finding-nih-published-research-research-context-is-available-for-the-listed-ingr"},{"id":"review_velocity_gradual","source":"keepa","class":"ok","weight":20,"headline":"The review count moved gradually, not in one burst","detail":"Written reviews rose from 31 to 61 between June 13 and August 20, 2026. 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The largest rise inside any single 30-day window was about 18, so the count moved in steps rather than in one burst."},"html_anchor":"finding-review_velocity_gradual","report_url":"https://lookcloser.ai/p/716563126315/full#finding-review_velocity_gradual"},{"id":"uspto-trademark-registry-package-and-trademark-records-name-different-re","source":"USPTO trademark registry","class":"gap","noted":true,"severity":"info","weight":19,"headline":"Package and trademark records name different responsible entities","detail":"The package says manufactured by: Bronson Laboratories, 70 Commerce Drive Hauppauge, NY 11788 USA. USPTO names Bronson Nutritionals, LLC 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 by: Bronson Laboratories, 70 Commerce Drive Hauppauge, NY 11788 USA. USPTO names Bronson Nutritionals, LLC 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=85217049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"gap","observed_at":"2026-08-31","presentation_tone":"gap","evidence_id":"ev-535e71e41f65","evidence_url":"https://lookcloser.ai/e/ev-535e71e41f65","content_fingerprint":"sha256:b0111d262818c12ef92083ee87e4cc33f1bb90a55dc345a88fbcc33899d3713d","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=85217049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 4015452","registry_name":"USPTO","standard":null,"identifier":"Registration 4015452"}],"evidence":{"summary":"The package says manufactured by: Bronson Laboratories, 70 Commerce Drive Hauppauge, NY 11788 USA. USPTO names Bronson Nutritionals, LLC 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=85217049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-31","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 4015452","receipt_label":"USPTO · Registration 4015452"},{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","looked":"LookCloser checked USPTO trademark registry.","found":"The package says manufactured by: Bronson Laboratories, 70 Commerce Drive Hauppauge, NY 11788 USA. USPTO names Bronson Nutritionals, LLC 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/716563126315/full#finding-uspto-trademark-registry-package-and-trademark-records-name-different-re"},{"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/B0GNN7HRKC","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-31","presentation_tone":"gap","evidence_id":"ev-a304348207e8","evidence_url":"https://lookcloser.ai/e/ev-a304348207e8","content_fingerprint":"sha256:5e5effb139c4aa99beded1625c4ee1fb3099638a1e0164602546b87911d92a56","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/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","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/716563126315/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"fda-public-records-recall-search-no-match-found-as-of-sep-03-2026","source":"FDA public records","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Recall search: no match found (as of Sep 03, 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:%22Bronson%22+OR+product_description:%22Bronson%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-08-31","presentation_tone":"caution","evidence_id":"ev-a6cb464520c6","evidence_url":"https://lookcloser.ai/e/ev-a6cb464520c6","content_fingerprint":"sha256:8d26e62e68b711d04cebe3e974176a572b0d267ced78d18374c708af36caab62","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:%22Bronson%22+OR+product_description:%22Bronson%22)&limit=5","observed_at":"2026-08-31","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"Bronson","receipt_label":"FDA enforcement search · Bronson"}],"observed_at":"2026-08-31","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-sep-03-2026","report_url":"https://lookcloser.ai/p/716563126315/full#finding-fda-public-records-recall-search-no-match-found-as-of-sep-03-2026"},{"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-B0GNN7HRKC","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-31","presentation_tone":"gap","evidence_id":"ev-c93cbe198060","evidence_url":"https://lookcloser.ai/e/ev-c93cbe198060","content_fingerprint":"sha256:56ddf6f0da4765ba5e2f10dbd28f573dcc29b23d80f65a9b5cfed75be6cbf119","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-B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","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/716563126315/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 24 on 2026-06-03 to 61 on 2026-08-20 (net +37). 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 24 on 2026-06-03 to 61 on 2026-08-20 (net +37). 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-B0GNN7HRKC","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-31","presentation_tone":"gap","evidence_id":"ev-11fecd2d804a","evidence_url":"https://lookcloser.ai/e/ev-11fecd2d804a","content_fingerprint":"sha256:cbc498e5b57b3011853787dc0c54658edd8dbd7992b78566dd750f06cc8c31ea","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 24 on 2026-06-03 to 61 on 2026-08-20 (net +37). 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-B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 24 on 2026-06-03 to 61 on 2026-08-20 (net +37). 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/716563126315/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"},{"id":"barcode-gtin-record-upc-valid-no-independent-record","source":"Barcode / GTIN record","class":"gap","noted":false,"severity":"info","weight":14,"headline":"UPC valid, no independent record","detail":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","proof":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00716563126315","scope":"exact_product","inference_level":"gap","observed_at":"2026-08-31","presentation_tone":"gap","evidence_id":"ev-7d2080271567","evidence_url":"https://lookcloser.ai/e/ev-7d2080271567","content_fingerprint":"sha256:bd4442f8cdffdad2fa78693ead98092080e411af6f3cb38fca7e959c5c2aa961","registry_receipts":[],"evidence":{"summary":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","source_refs":["barcode_search","source_listing"],"source_records":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00716563126315","observed_at":"2026-08-31","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","looked":"LookCloser checked Barcode / GTIN record.","found":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike."},"html_anchor":"finding-barcode-gtin-record-upc-valid-no-independent-record","report_url":"https://lookcloser.ai/p/716563126315/full#finding-barcode-gtin-record-upc-valid-no-independent-record"}],"evidence_records":[{"evidence_id":"ev-c17d745ff2d2","record_id":"716563126315","gtin":"716563126315","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 Bronson Nutritionals, LLC (LIMITED LIABILITY COMPANY) in NEW YORK, 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 Bronson Nutritionals, LLC (LIMITED LIABILITY COMPANY) in NEW YORK, 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=85217049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-31","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 4015452","receipt_label":"USPTO · Registration 4015452"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:449b6f1827ac1fae72d3ce52d7a358af2679aea11cc99203db5a193fd58d5abb","evidence_url":"https://lookcloser.ai/e/ev-c17d745ff2d2"},{"evidence_id":"ev-de043f13ef42","record_id":"716563126315","gtin":"716563126315","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 “Vitamin K2 + D3 & Magnesium Glycinate” (variant: 60 Count) — identity confirmed across retailer listings.","proof":{"detail":"The brand's store lists this exact barcode as “Vitamin K2 + D3 & Magnesium Glycinate” (variant: 60 Count) — identity confirmed across retailer listings."},"source_refs":[{"source":"brand_store","source_url":"https://www.bronsonvitamins.com/products/vitamin-k2-d3-magnesium-glycinate","observed_at":"2026-08-31","identity_basis":"exact_gtin","scope":"brand_or_exact_product"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:555ce95822f40c1ed8f036b0c74dcc39aaf6e433928e11af8591b4e92ebabbc4","evidence_url":"https://lookcloser.ai/e/ev-de043f13ef42"},{"evidence_id":"ev-0ca36aeca8e7","record_id":"716563126315","gtin":"716563126315","claim_key":"finding:review_velocity_gradual","primary_source":"source_listing","claim":"The review count moved gradually, not in one burst","bucket":"checks_out","looked":"LookCloser checked keepa.","found":"Written reviews rose from 31 to 61 between June 13 and August 20, 2026. The largest rise inside any single 30-day window was about 18, so the count moved in steps rather than in one burst.","proof":{"first":["2026-06-13",31],"last":["2026-08-20",61],"max_30d_review_gain":18},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:4a61df0fc68688a09e3cd731e5b8bdb4837bbcd77d2fbd724bfcfe088b02e440","evidence_url":"https://lookcloser.ai/e/ev-0ca36aeca8e7"},{"evidence_id":"ev-91498221325c","record_id":"716563126315","gtin":"716563126315","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":"2026-08-31","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":"2026-08-31","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:064a02adb7c4fc7c5afe72253270d97ebf91c6f1d0f6c25046b78491aa812de8","evidence_url":"https://lookcloser.ai/e/ev-91498221325c"},{"evidence_id":"ev-a6cb464520c6","record_id":"716563126315","gtin":"716563126315","claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-sep-03-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Sep 03, 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:%22Bronson%22+OR+product_description:%22Bronson%22)&limit=5","observed_at":"2026-08-31","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"Bronson","receipt_label":"FDA enforcement search · Bronson"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:8d26e62e68b711d04cebe3e974176a572b0d267ced78d18374c708af36caab62","evidence_url":"https://lookcloser.ai/e/ev-a6cb464520c6"},{"evidence_id":"ev-535e71e41f65","record_id":"716563126315","gtin":"716563126315","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 by: Bronson Laboratories, 70 Commerce Drive Hauppauge, NY 11788 USA. USPTO names Bronson Nutritionals, LLC 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 by: Bronson Laboratories, 70 Commerce Drive Hauppauge, NY 11788 USA. USPTO names Bronson Nutritionals, LLC 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=85217049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-31","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 4015452","receipt_label":"USPTO · Registration 4015452"},{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:b0111d262818c12ef92083ee87e4cc33f1bb90a55dc345a88fbcc33899d3713d","evidence_url":"https://lookcloser.ai/e/ev-535e71e41f65"},{"evidence_id":"ev-d4cda73663f0","record_id":"716563126315","gtin":"716563126315","claim_key":"finding:label-and-serving-arithmetic-multi-ingredient-formula-panel-read-serving","primary_source":"facts_panel","claim":"Multi-ingredient formula — panel read, serving weight unknown","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"We read the full Supplement Facts panel from the listing-image panel (below), but the label doesn’t state a serving weight, so the arithmetic can’t run. A gap in the label’s information, not evidence of a problem.","proof":{"detail":"We read the full Supplement Facts panel from the listing-image panel (below), but the label doesn’t state a serving weight, so the arithmetic can’t run. A gap in the label’s information, not evidence of a problem."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:7edf07673c88114156c54834ae93a30586f92d11165c4c88aa2ba9bf66a19b3e","evidence_url":"https://lookcloser.ai/e/ev-d4cda73663f0"},{"evidence_id":"ev-a304348207e8","record_id":"716563126315","gtin":"716563126315","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/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:5e5effb139c4aa99beded1625c4ee1fb3099638a1e0164602546b87911d92a56","evidence_url":"https://lookcloser.ai/e/ev-a304348207e8"},{"evidence_id":"ev-7d2080271567","record_id":"716563126315","gtin":"716563126315","claim_key":"finding:barcode-gtin-record-upc-valid-no-independent-record","primary_source":"barcode_search","claim":"UPC valid, no independent record","bucket":"unverified","looked":"LookCloser checked Barcode / GTIN record.","found":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","proof":{"detail":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00716563126315","observed_at":"2026-08-31","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:bd4442f8cdffdad2fa78693ead98092080e411af6f3cb38fca7e959c5c2aa961","evidence_url":"https://lookcloser.ai/e/ev-7d2080271567"},{"evidence_id":"ev-214d68470849","record_id":"716563126315","gtin":"716563126315","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/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://www.bronsonvitamins.com/products/vitamin-k2-d3-magnesium-glycinate","observed_at":"2026-08-31","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:53247ef6e6c7a55f6176687058778510b02a72428fcec18c38833b3c95bbca3c","evidence_url":"https://lookcloser.ai/e/ev-214d68470849"},{"evidence_id":"ev-11fecd2d804a","record_id":"716563126315","gtin":"716563126315","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 24 on 2026-06-03 to 61 on 2026-08-20 (net +37). 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 24 on 2026-06-03 to 61 on 2026-08-20 (net +37). 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-B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:cbc498e5b57b3011853787dc0c54658edd8dbd7992b78566dd750f06cc8c31ea","evidence_url":"https://lookcloser.ai/e/ev-11fecd2d804a"},{"evidence_id":"ev-c93cbe198060","record_id":"716563126315","gtin":"716563126315","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-B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:56ddf6f0da4765ba5e2f10dbd28f573dcc29b23d80f65a9b5cfed75be6cbf119","evidence_url":"https://lookcloser.ai/e/ev-c93cbe198060"},{"evidence_id":"ev-65c9aa1535af","record_id":"716563126315","gtin":"716563126315","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":"2026-08-31","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":"2026-08-31","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:a4a7d209b0412119c07361d475ddf968e878e8d371524e0947073734e5c1b3ce","evidence_url":"https://lookcloser.ai/e/ev-65c9aa1535af"},{"evidence_id":"ev-2ec50ad409dd","record_id":"716563126315","gtin":"716563126315","claim_key":"claim:testing","primary_source":"source_listing","claim":"“Quality: Laboratory tested GMO-Free, Gluten-Free 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. 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":"…Superior Quality: Laboratory tested GMO-Free, Gluten-Free and Soy-Free.…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GNN7HRKC","observed_at":"2026-08-31","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://www.bronsonvitamins.com/products/vitamin-k2-d3-magnesium-glycinate","observed_at":"2026-08-31","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-08-31","content_fingerprint":"sha256:6fd167a29ecf17ef0411763be286d1aa5084a3e7cd68d95814c69869a939b92f","evidence_url":"https://lookcloser.ai/e/ev-2ec50ad409dd"},{"evidence_id":"ev-adf98a083ce4","record_id":"716563126315","gtin":"716563126315","claim_key":"claim:efficacy","primary_source":"source_listing","claim":"“3 IN 1 Support: Bronson Vitamin K2 + D3 Magnesium Glycinate Chelate Buffered provides 3 key ingredients that work synergistically to support overall”","bucket":"partly","looked":"whether the ingredient doses on the label match the doses used in published research","found":"Published research exists for ingredients in this formula. 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Whether this product’s doses match those studies could not be confirmed.","status":"partly"}],"identity_basis":"source_listing_and_identity_bound_label"},"facts_panel_status":"captured","label_photo_read":{"src":"vision:claude-cli:subscription","reader_version":"2026-07-27.1","images_read":6,"raw_reads":[{"img":0,"model":"claude-cli:subscription","text":"```json\n{\"brand\": \"BRONSON NUTRITION\", \"product_name\": \"VITAMIN K2+D3 MAGNESIUM GLYCINATE CHELATE BUFFERED\", \"barcode\": null, \"panel\": false, \"serving_size_text\": null, \"serving_size_g\": null, \"servings_per_container\": null, \"net_weight_text\": null, \"net_weight_g\": null, \"unit_count_text\": \"60 COUNT\", \"responsible_parties\": [], \"websites\": [], \"actives\": [], \"label_claims\": [\"VITAMIN K2 AS MK-7\", \"3 IN 1 FORMULA\", \"Dietary Supplement\", \"60 Capsules\", \"SINCE 1960\"], \"certifications\": [\"GMO-FREE\", \"GLUTEN-FREE\", 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