{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"740985275429","processing":{"collection_process_version":"2026-07-24.5","last_collected_at":"2026-08-25T14:15:28-0700","last_collection_event":"intake","label_reader_version":"legacy_unversioned","report_schema":"lookcloser/record@0.2","rendered_at":"2026-09-03T13:44:38-0700"},"analysis_status":"complete","processing_gaps":[],"gtin":"740985275429","listing_identifier":"B00K0WY0PE","brand":"21st Century","title":"21st Century Sentry Senior Women 50+ Multivitamin","listing_title":"21st Century Sentry Senior Women 50+ Multivitamin, 100 Tablets","identity":{"canonical_gtin":"00740985275429","source_listing_gtin":"00740985275429","listing_identifier":"B00K0WY0PE","product_image":"https://m.media-amazon.com/images/I/71RegMBvF2L.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/B00K0WY0PE","primary_url":"https://m.media-amazon.com/images/I/71RegMBvF2L.jpg","image_count":8,"last_attempted":"2026-08-25T14:15:28-0700","attempts":1},"observed_at":"2026-09-01","source_confirmations":["source_listing_gtin"],"brand_consistency":{"status":"unknown","compatible":null,"listing_brand":"21st Century","package_brand":null,"match_method":"insufficient_text","similarity":null},"identity_rule":"exact identifiers only; related products are never substituted"},"trademark_owner":null,"trademark_owner_candidates":[{"name":"Twenty-First Century Laboratories, Inc.","entity":"CORPORATION","country":"ARIZONA, USA","address_filed":"2119 South Wilson Street, Tempe, ARIZONA 85282, UNITED STATES","address_public":"ARIZONA 85282, UNITED STATES","serial_number":"76694514","registration_number":"3645342","wordmark":"21ST CENTURY","status_description":"REGISTERED AND RENEWED","filed_date":"2008-11-28T00:00:00","first_use_commerce_date":"1991-09-21","registration_date":"2009-06-30","assignment_recorded":true,"goods_services":["IC 005: vitamins, mineral supplements, dietary supplements, nutritional supplements, weight loss supplements, herbal supplements, herbal teas for weight loss, vitamins for pets, nutritional supplements for pets, dietary supplements for pets, and herbal supplements for pets."],"source":"USPTO Trademark Search","source_url":"https://tsdr.uspto.gov/#caseNumber=76694514&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","identity_basis":"exact_wordmark_and_supplement_goods"},{"name":"Twenty-First Century HealthCare, Inc.","entity":"CORPORATION","country":"ARIZONA, USA","address_filed":"443 West Alameda Drive, Tempe, ARIZONA 85282, UNITED STATES","address_public":"ARIZONA 85282, UNITED STATES","serial_number":"76707461","registration_number":"4085491","wordmark":"21ST CENTURY","status_description":"REGISTERED AND RENEWED","filed_date":"2011-05-02T00:00:00","first_use_commerce_date":"2008-06-04","registration_date":"2012-01-17","assignment_recorded":false,"goods_services":["IC 005: Vitamins; mineral supplements; dietary supplements; nutritional supplements; herbal supplements [ ; weight loss supplements; vitamins for pets; nutritional supplements for pets; dietary supplements for pets; herbal supplements for pets; food supplements for pets; ear drops for pets; ear cleaning pads for pets impregnated with medicated skin care cleaners; ear preparations in the nature of medicated powders for pets to eliminate odor and to relieve itching and irritation; first aid kits for pets; self-adhering flexible bandages for pets; pain relief medication for pets; medicated pet shampoo; anti-itch preparations for pets, namely, medicated sprays, powders, lotions and shampoo; medicated lotions and pads to remove tear and saliva stains from the coats of pets; styptic preparations, namely, powders, for pets; and hydrocortisone preparations, namely, anti-itch lotions, sprays and shampoo, for pets ]."],"source":"USPTO Trademark Search","source_url":"https://tsdr.uspto.gov/#caseNumber=76707461&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","identity_basis":"exact_wordmark_and_supplement_goods"},{"name":"Twenty First Century Nutritional Products, Inc.","entity":"CORPORATION","country":"ARIZONA, USA","address_filed":"2445 West 12th Street, Tempe, ARIZONA 85281, UNITED STATES","address_public":"ARIZONA 85281, UNITED STATES; ARIZONA 85282, UNITED STATES","serial_number":"74350049","registration_number":"1790110","wordmark":"21ST CENTURY","status_description":"REGISTERED AND RENEWED","filed_date":"1993-01-21T00:00:00","first_use_commerce_date":"1992-12-11","registration_date":"1993-08-31","assignment_recorded":true,"goods_services":["IC 005: vitamins, herbal remedies and nutritional supplements."],"source":"USPTO Trademark Search","source_url":"https://tsdr.uspto.gov/#caseNumber=74350049&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","identity_basis":"exact_wordmark_and_supplement_goods"}],"trademark_owner_status":"multiple","product_manufacturer_link":"not_established","label_responsible_parties":[],"identity_nodes":[],"seller_of_record":null,"seller_of_record_status":"not_collected_founder_gated","consumer_view":{"template":"claim_question","kicker":"The useful read","headline":"FDA recall appears in this brand's history","deck":"An exact-product recall is a direct signal. A different product from the same firm is company context, not a strike against this item.","display_mode":"single_home_per_finding","finding_ids":["fda-public-records-fda-recall-appears-in-this-brand-s-history","uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown"],"point_finding_ids":["fda-public-records-fda-recall-appears-in-this-brand-s-history","uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown"],"cards":[{"finding_id":"fda-public-records-fda-recall-appears-in-this-brand-s-history","card_type":"fda_recall","question":"safety","tone":"warn","weight":96,"headline":"FDA recall appears in this brand's history","evidence":"This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st…”","so_what":"An exact-product recall is a direct signal. A different product from the same firm is company context, not a strike against this item.","source":"FDA public records","source_links":[],"registry_receipts":[{"source":"openfda_search","url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%2221st+Century%22+OR+product_description:%2221st+Century%22)&limit=5","label":"FDA enforcement search · 21st Century","registry_name":"FDA enforcement","standard":null,"identifier":"21st Century"}],"evidence_id":"ev-788f37f3e854","evidence_url":"https://lookcloser.ai/e/ev-788f37f3e854","presentation_home":"finding_catalog"},{"finding_id":"uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","card_type":"owner_candidates","question":"owner","tone":"neutral","weight":54,"headline":"Registered owner records: Twenty-First Century Laboratories, Inc. · Twenty-First Century HealthCare, Inc. · Twenty First Century Nutritional Products, Inc.","evidence":"USPTO returned multiple live supplement-class records for the exact brand wordmark: Twenty-First Century Laboratories, Inc., Twenty-First Century HealthCare, Inc., Twenty First Century Nutritional Products, Inc.. …","so_what":"The public ownership record is ambiguous. We show the exact candidates instead of choosing one by name similarity.","source":"USPTO trademark registry","source_links":[],"registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=76694514&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registrations 3645342, 4085491, 1790110","registry_name":"USPTO","standard":null,"identifier":"Registrations 3645342, 4085491, 1790110"}],"evidence_id":"ev-7b000b247863","evidence_url":"https://lookcloser.ai/e/ev-7b000b247863","presentation_home":"finding_catalog"}],"research_links":[{"ingredient":"multivitamin / greens blend","label":"NIH ODS — Multivitamin/mineral supplements fact sheet","url":"https://ods.od.nih.gov/factsheets/MVMS-HealthProfessional/","scope":"ingredient_context","product_evidence":false},{"ingredient":"multivitamin / greens blend","label":"PubMed search: multivitamin supplementation outcomes","url":"https://pubmed.ncbi.nlm.nih.gov/?term=multivitamin+supplementation+health+outcomes","scope":"ingredient_context","product_evidence":false}],"open_items":["We have not found a public label filing for this exact product."]},"tldr":{"assessment":"open_questions","headline":"FDA recall appears in this brand's history","summary":"This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st Century HealthCare, Inc., 2119 Wilson St., Tempe, AZ 85282”. FDA recorded the reason as “A small quantity of bottles of Vitamin D3 125 mcg ((5000 IU) 100 ct. were mislabeled as Vitamin D3 25 mcg (1000 IU). Secondary labeling on the bottles (back label) is correctly labeled as Vitamin D3 125 mcg (5000 IU)”. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","lead_finding_id":"fda-public-records-fda-recall-appears-in-this-brand-s-history","key_findings":[{"id":"uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","class":"gap","headline":"Multiple USPTO brand-owner records are shown","source":"USPTO trademark registry","scope":"brand_owner"},{"id":"label-and-serving-arithmetic-single-dose-label-math-not-applicable-to-th","class":"gap","headline":"Single-dose label math: not applicable to this formula","source":"Label and serving arithmetic","scope":"exact_listing"},{"id":"certification-laboratory-record-brand-holds-nsf-ansi-173-certification-b","class":"gap","headline":"Brand holds NSF/ANSI 173 certification (brand-level)","source":"Certification / laboratory record","scope":"search_scope"}],"documented_concern_count":0,"confirmed_check_count":0,"open_question_count":2,"usage_note":"Decision support, not medical advice or a product recommendation. Missing evidence is a gap, not a strike."},"origin_context":null,"verdict":{"state":"open_questions","headline":"FDA recall appears in this brand's history","detail":"This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st Century HealthCare, Inc., 2119 Wilson St., Tempe, AZ 85282”. FDA recorded the reason as “A small quantity of bottles of Vitamin D3 125 mcg ((5000 IU) 100 ct. were mislabeled as Vitamin D3 25 mcg (1000 IU). Secondary labeling on the bottles (back label) is correctly labeled as Vitamin D3 125 mcg (5000 IU)”. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","lead_finding_id":"fda-public-records-fda-recall-appears-in-this-brand-s-history","meaning":"Finding-first decision support. Confirmed checks are not endorsements; cautions identify documented facts or bounded comparisons, not medical advice."},"public_verifiability":{"state":"insufficient_public_data","headline":"This product can't be verified from public data","detail":"Neither good nor bad — the checks below show what this listing publishes and what it withholds. Verifiable products publish more.","meaning":"Evidence availability only. Missing public data is a gap, never a strike."},"consistency_score":null,"findings":[{"id":"uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","source":"USPTO trademark registry","class":"gap","noted":false,"severity":"pend","weight":23,"headline":"Multiple USPTO brand-owner records are shown","detail":"USPTO returned multiple live supplement-class records for the exact brand wordmark: Twenty-First Century Laboratories, Inc., Twenty-First Century HealthCare, Inc., Twenty First Century Nutritional Products, Inc.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.","proof":"USPTO returned multiple live supplement-class records for the exact brand wordmark: Twenty-First Century Laboratories, Inc., Twenty-First Century HealthCare, Inc., Twenty First Century Nutritional Products, Inc.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.","identity_basis":"owner_exact","status":"live","source_refs":["uspto_search"],"source_url":"https://tsdr.uspto.gov/#caseNumber=76694514&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-7b000b247863","evidence_url":"https://lookcloser.ai/e/ev-7b000b247863","content_fingerprint":"sha256:d475e251db61356cf9c6391198ac34ae7f99b2c5349336a7b6668b4652f1d1cf","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=76694514&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registrations 3645342, 4085491, 1790110","registry_name":"USPTO","standard":null,"identifier":"Registrations 3645342, 4085491, 1790110"}],"evidence":{"summary":"USPTO returned multiple live supplement-class records for the exact brand wordmark: Twenty-First Century Laboratories, Inc., Twenty-First Century HealthCare, Inc., Twenty First Century Nutritional Products, Inc.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.","source_refs":["uspto_search"],"source_records":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=76694514&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-09-01","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registrations 3645342, 4085491, 1790110","receipt_label":"USPTO · Registrations 3645342, 4085491, 1790110"}],"observed_at":"2026-09-01","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO returned multiple live supplement-class records for the exact brand wordmark: Twenty-First Century Laboratories, Inc., Twenty-First Century HealthCare, Inc., Twenty First Century Nutritional Products, Inc.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open."},"html_anchor":"finding-uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","report_url":"https://lookcloser.ai/p/740985275429/full#finding-uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown"},{"id":"label-and-serving-arithmetic-single-dose-label-math-not-applicable-to-th","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"info","weight":22,"headline":"Single-dose label math: not applicable to this formula","detail":"Multi-ingredient blend with no single headline dose to check. The record did not retain a legible Supplement Facts panel from the source listing. A gap in the record, not a strike.","proof":"Multi-ingredient blend with no single headline dose to check. The record did not retain a legible Supplement Facts panel from the source listing. A gap in the record, not a strike.","identity_basis":"listing","status":"live","source_refs":["source_listing"],"source_url":"https://www.amazon.com/dp/B00K0WY0PE","scope":"exact_listing","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-f73ef3512f80","evidence_url":"https://lookcloser.ai/e/ev-f73ef3512f80","content_fingerprint":"sha256:96227dc2dcf82cb5d47fdde669eadcd16845397b2a81e2cbe534e2b30fdfd256","registry_receipts":[],"evidence":{"summary":"Multi-ingredient blend with no single headline dose to check. The record did not retain a legible Supplement Facts panel from the source listing. A gap in the record, not a strike.","source_refs":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","looked":"LookCloser checked Label and serving arithmetic.","found":"Multi-ingredient blend with no single headline dose to check. The record did not retain a legible Supplement Facts panel from the source listing. A gap in the record, not a strike."},"html_anchor":"finding-label-and-serving-arithmetic-single-dose-label-math-not-applicable-to-th","report_url":"https://lookcloser.ai/p/740985275429/full#finding-label-and-serving-arithmetic-single-dose-label-math-not-applicable-to-th"},{"id":"certification-laboratory-record-brand-holds-nsf-ansi-173-certification-b","source":"Certification / laboratory record","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Brand holds NSF/ANSI 173 certification (brand-level)","detail":"21st Century HealthCare, Inc. appears in NSF’s certified-products registry with 0 certified product(s), but we couldn’t confirm this exact listing is among them. Certification covers contents and contaminants — not effectiveness.","proof":"21st Century HealthCare, Inc. appears in NSF’s certified-products registry with 0 certified product(s), but we couldn’t confirm this exact listing is among them. Certification covers contents and contaminants — not effectiveness.","identity_basis":"none","status":"live","source_refs":["nsf_search","source_listing"],"source_url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=21st&","scope":"search_scope","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-b74dc6a2e87f","evidence_url":"https://lookcloser.ai/e/ev-b74dc6a2e87f","content_fingerprint":"sha256:791ac4a9c23fcdeceb7f261df66a27390bdcbde18e9610b39a2f6c22dedf8a66","registry_receipts":[{"source":"nsf_search","url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=21st&","label":"NSF/ANSI 173 · 21st Century HealthCare, Inc.","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"21st Century HealthCare, Inc."}],"evidence":{"summary":"21st Century HealthCare, Inc. appears in NSF’s certified-products registry with 0 certified product(s), but we couldn’t confirm this exact listing is among them. Certification covers contents and contaminants — not effectiveness.","source_refs":["nsf_search","source_listing"],"source_records":[{"source":"nsf_search","source_url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=21st&","observed_at":"2026-09-01","identity_basis":"company_brand","scope":"product_or_brand","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"21st Century HealthCare, Inc.","receipt_label":"NSF/ANSI 173 · 21st Century HealthCare, Inc."},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","looked":"LookCloser checked Certification / laboratory record.","found":"21st Century HealthCare, Inc. appears in NSF’s certified-products registry with 0 certified product(s), but we couldn’t confirm this exact listing is among them. Certification covers contents and contaminants — not effectiveness."},"html_anchor":"finding-certification-laboratory-record-brand-holds-nsf-ansi-173-certification-b","report_url":"https://lookcloser.ai/p/740985275429/full#finding-certification-laboratory-record-brand-holds-nsf-ansi-173-certification-b"},{"id":"fda-public-records-fda-recall-appears-in-this-brand-s-history","source":"FDA public records","class":"gap","noted":true,"severity":"info","weight":19,"headline":"FDA recall appears in this brand's history","detail":"This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st Century HealthCare, Inc., 2119 Wilson St., Tempe, AZ 85282”. FDA recorded the reason as “A small quantity of bottles of Vitamin D3 125 mcg ((5000 IU) 100 ct. were mislabeled as Vitamin D3 25 mcg (1000 IU). Secondary labeling on the bottles (back label) is correctly labeled as Vitamin D3 125 mcg (5000 IU)”. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","proof":"This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st Century HealthCare, Inc., 2119 Wilson St., Tempe, AZ 85282”. FDA recorded the reason as “A small quantity of bottles of Vitamin D3 125 mcg ((5000 IU) 100 ct. were mislabeled as Vitamin D3 25 mcg (1000 IU). Secondary labeling on the bottles (back label) is correctly labeled as Vitamin D3 125 mcg (5000 IU)”. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","identity_basis":"none","status":"live","source_refs":["openfda_search"],"source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%2221st+Century%22+OR+product_description:%2221st+Century%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"caution","evidence_id":"ev-788f37f3e854","evidence_url":"https://lookcloser.ai/e/ev-788f37f3e854","content_fingerprint":"sha256:c26549f5dd14f01fb291ad673ab87162249642e98d4f838d97a3de57674f66f7","registry_receipts":[{"source":"openfda_search","url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%2221st+Century%22+OR+product_description:%2221st+Century%22)&limit=5","label":"FDA enforcement search · 21st Century","registry_name":"FDA enforcement","standard":null,"identifier":"21st Century"}],"evidence":{"summary":"This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st Century HealthCare, Inc., 2119 Wilson St., Tempe, AZ 85282”. FDA recorded the reason as “A small quantity of bottles of Vitamin D3 125 mcg ((5000 IU) 100 ct. were mislabeled as Vitamin D3 25 mcg (1000 IU). Secondary labeling on the bottles (back label) is correctly labeled as Vitamin D3 125 mcg (5000 IU)”. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","source_refs":["openfda_search"],"source_records":[{"source":"openfda_search","source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%2221st+Century%22+OR+product_description:%2221st+Century%22)&limit=5","observed_at":"2026-09-01","identity_basis":"product_brand","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"21st Century","receipt_label":"FDA enforcement search · 21st Century"}],"observed_at":"2026-09-01","looked":"LookCloser checked FDA public records.","found":"This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st Century HealthCare, Inc., 2119 Wilson St., Tempe, AZ 85282”. FDA recorded the reason as “A small quantity of bottles of Vitamin D3 125 mcg ((5000 IU) 100 ct. were mislabeled as Vitamin D3 25 mcg (1000 IU). Secondary labeling on the bottles (back label) is correctly labeled as Vitamin D3 125 mcg (5000 IU)”. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>."},"html_anchor":"finding-fda-public-records-fda-recall-appears-in-this-brand-s-history","report_url":"https://lookcloser.ai/p/740985275429/full#finding-fda-public-records-fda-recall-appears-in-this-brand-s-history"},{"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":["source_listing"],"source_url":"https://www.amazon.com/dp/B00K0WY0PE","scope":"exact_listing","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-d643091ab61b","evidence_url":"https://lookcloser.ai/e/ev-d643091ab61b","content_fingerprint":"sha256:65409e08b909eb61160e2be424ccdab342e620782f27bd66f419d00e394c3958","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":["source_listing"],"source_records":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","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/740985275429/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","source":"Keepa exact-listing history","class":"gap","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-B00K0WY0PE","scope":"exact_listing","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-0dc8b8d323f0","evidence_url":"https://lookcloser.ai/e/ev-0dc8b8d323f0","content_fingerprint":"sha256:524e731c700d14ab17c3341c4b4808c0b989975d02d7db948ac19ff5b8d55659","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-B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","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/740985275429/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 211 on 2025-07-31 to 251 on 2026-08-24 (net +40). 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 211 on 2025-07-31 to 251 on 2026-08-24 (net +40). 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-B00K0WY0PE","scope":"exact_listing","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-b3e38e60314e","evidence_url":"https://lookcloser.ai/e/ev-b3e38e60314e","content_fingerprint":"sha256:ac12fe894d846597ec522dd7b1485ec1aae8d744c3345971432599be920e5856","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 211 on 2025-07-31 to 251 on 2026-08-24 (net +40). 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-B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 211 on 2025-07-31 to 251 on 2026-08-24 (net +40). 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/740985275429/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"},{"id":"barcode-gtin-record-barcode-record-is-too-sparse-to-confirm-identity","source":"Barcode / GTIN record","class":"gap","noted":false,"severity":"info","weight":14,"headline":"Barcode record is too sparse to confirm identity","detail":"Open Food Facts resolves 740985275429 to \"sentry\" (brand not supplied), but that record lacks enough exact brand/product detail to confirm or contradict this listing.","proof":"Open Food Facts resolves 740985275429 to \"sentry\" (brand not supplied), but that record lacks enough exact brand/product detail to confirm or contradict this listing.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00740985275429","scope":"exact_product","inference_level":"gap","observed_at":"2026-09-01","presentation_tone":"gap","evidence_id":"ev-5981565af43c","evidence_url":"https://lookcloser.ai/e/ev-5981565af43c","content_fingerprint":"sha256:2c282fd2b8e336aa7c8a4db6e547fb07222901d78a6987c403bf7de902e0c060","registry_receipts":[],"evidence":{"summary":"Open Food Facts resolves 740985275429 to \"sentry\" (brand not supplied), but that record lacks enough exact brand/product detail to confirm or contradict this listing.","source_refs":["barcode_search","source_listing"],"source_records":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00740985275429","observed_at":"2026-09-01","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","looked":"LookCloser checked Barcode / GTIN record.","found":"Open Food Facts resolves 740985275429 to \"sentry\" (brand not supplied), but that record lacks enough exact brand/product detail to confirm or contradict this listing."},"html_anchor":"finding-barcode-gtin-record-barcode-record-is-too-sparse-to-confirm-identity","report_url":"https://lookcloser.ai/p/740985275429/full#finding-barcode-gtin-record-barcode-record-is-too-sparse-to-confirm-identity"}],"evidence_records":[{"evidence_id":"ev-788f37f3e854","record_id":"740985275429","gtin":"740985275429","claim_key":"finding:fda-public-records-fda-recall-appears-in-this-brand-s-history","primary_source":"openfda_search","claim":"FDA recall appears in this brand's history","bucket":"unverified","looked":"LookCloser checked FDA public records.","found":"This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st Century HealthCare, Inc., 2119 Wilson St., Tempe, AZ 85282”. FDA recorded the reason as “A small quantity of bottles of Vitamin D3 125 mcg ((5000 IU) 100 ct. were mislabeled as Vitamin D3 25 mcg (1000 IU). Secondary labeling on the bottles (back label) is correctly labeled as Vitamin D3 125 mcg (5000 IU)”. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>.","proof":{"detail":"This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st Century HealthCare, Inc., 2119 Wilson St., Tempe, AZ 85282”. FDA recorded the reason as “A small quantity of bottles of Vitamin D3 125 mcg ((5000 IU) 100 ct. were mislabeled as Vitamin D3 25 mcg (1000 IU). Secondary labeling on the bottles (back label) is correctly labeled as Vitamin D3 125 mcg (5000 IU)”. Verify at <a href=\"https://www.accessdata.fda.gov/scripts/ires/index.cfm\" rel=\"noopener\">FDA’s recall database</a>."},"source_refs":[{"source":"openfda_search","source_url":"https://api.fda.gov/food/enforcement.json?search=(recalling_firm:%2221st+Century%22+OR+product_description:%2221st+Century%22)&limit=5","observed_at":"2026-09-01","identity_basis":"product_brand","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"21st Century","receipt_label":"FDA enforcement search · 21st Century"}],"observed_at":"2026-09-01","content_fingerprint":"sha256:c26549f5dd14f01fb291ad673ab87162249642e98d4f838d97a3de57674f66f7","evidence_url":"https://lookcloser.ai/e/ev-788f37f3e854"},{"evidence_id":"ev-7b000b247863","record_id":"740985275429","gtin":"740985275429","claim_key":"finding:uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","primary_source":"uspto_search","claim":"Multiple USPTO brand-owner records are shown","bucket":"unverified","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO returned multiple live supplement-class records for the exact brand wordmark: Twenty-First Century Laboratories, Inc., Twenty-First Century HealthCare, Inc., Twenty First Century Nutritional Products, Inc.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.","proof":{"detail":"USPTO returned multiple live supplement-class records for the exact brand wordmark: Twenty-First Century Laboratories, Inc., Twenty-First Century HealthCare, Inc., Twenty First Century Nutritional Products, Inc.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open."},"source_refs":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=76694514&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-09-01","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registrations 3645342, 4085491, 1790110","receipt_label":"USPTO · Registrations 3645342, 4085491, 1790110"}],"observed_at":"2026-09-01","content_fingerprint":"sha256:d475e251db61356cf9c6391198ac34ae7f99b2c5349336a7b6668b4652f1d1cf","evidence_url":"https://lookcloser.ai/e/ev-7b000b247863"},{"evidence_id":"ev-f73ef3512f80","record_id":"740985275429","gtin":"740985275429","claim_key":"finding:label-and-serving-arithmetic-single-dose-label-math-not-applicable-to-th","primary_source":"source_listing","claim":"Single-dose label math: not applicable to this formula","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"Multi-ingredient blend with no single headline dose to check. The record did not retain a legible Supplement Facts panel from the source listing. A gap in the record, not a strike.","proof":{"detail":"Multi-ingredient blend with no single headline dose to check. The record did not retain a legible Supplement Facts panel from the source listing. A gap in the record, not a strike."},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","content_fingerprint":"sha256:96227dc2dcf82cb5d47fdde669eadcd16845397b2a81e2cbe534e2b30fdfd256","evidence_url":"https://lookcloser.ai/e/ev-f73ef3512f80"},{"evidence_id":"ev-d643091ab61b","record_id":"740985275429","gtin":"740985275429","claim_key":"finding:label-and-serving-arithmetic-public-label-filing-not-retained","primary_source":"source_listing","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":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","content_fingerprint":"sha256:65409e08b909eb61160e2be424ccdab342e620782f27bd66f419d00e394c3958","evidence_url":"https://lookcloser.ai/e/ev-d643091ab61b"},{"evidence_id":"ev-5981565af43c","record_id":"740985275429","gtin":"740985275429","claim_key":"finding:barcode-gtin-record-barcode-record-is-too-sparse-to-confirm-identity","primary_source":"barcode_search","claim":"Barcode record is too sparse to confirm identity","bucket":"unverified","looked":"LookCloser checked Barcode / GTIN record.","found":"Open Food Facts resolves 740985275429 to \"sentry\" (brand not supplied), but that record lacks enough exact brand/product detail to confirm or contradict this listing.","proof":{"detail":"Open Food Facts resolves 740985275429 to \"sentry\" (brand not supplied), but that record lacks enough exact brand/product detail to confirm or contradict this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00740985275429","observed_at":"2026-09-01","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","content_fingerprint":"sha256:2c282fd2b8e336aa7c8a4db6e547fb07222901d78a6987c403bf7de902e0c060","evidence_url":"https://lookcloser.ai/e/ev-5981565af43c"},{"evidence_id":"ev-b74dc6a2e87f","record_id":"740985275429","gtin":"740985275429","claim_key":"finding:certification-laboratory-record-brand-holds-nsf-ansi-173-certification-b","primary_source":"nsf_search","claim":"Brand holds NSF/ANSI 173 certification (brand-level)","bucket":"unverified","looked":"LookCloser checked Certification / laboratory record.","found":"21st Century HealthCare, Inc. appears in NSF’s certified-products registry with 0 certified product(s), but we couldn’t confirm this exact listing is among them. Certification covers contents and contaminants — not effectiveness.","proof":{"detail":"21st Century HealthCare, Inc. appears in NSF’s certified-products registry with 0 certified product(s), but we couldn’t confirm this exact listing is among them. Certification covers contents and contaminants — not effectiveness."},"source_refs":[{"source":"nsf_search","source_url":"https://info.nsf.org/Certified/dietary/Listings.asp?CompanyName=21st&","observed_at":"2026-09-01","identity_basis":"company_brand","scope":"product_or_brand","registry_name":"NSF","standard":"NSF/ANSI 173","identifier":"21st Century HealthCare, Inc.","receipt_label":"NSF/ANSI 173 · 21st Century HealthCare, Inc."},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","content_fingerprint":"sha256:791ac4a9c23fcdeceb7f261df66a27390bdcbde18e9610b39a2f6c22dedf8a66","evidence_url":"https://lookcloser.ai/e/ev-b74dc6a2e87f"},{"evidence_id":"ev-b3e38e60314e","record_id":"740985275429","gtin":"740985275429","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 211 on 2025-07-31 to 251 on 2026-08-24 (net +40). 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 211 on 2025-07-31 to 251 on 2026-08-24 (net +40). 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-B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","content_fingerprint":"sha256:ac12fe894d846597ec522dd7b1485ec1aae8d744c3345971432599be920e5856","evidence_url":"https://lookcloser.ai/e/ev-b3e38e60314e"},{"evidence_id":"ev-0dc8b8d323f0","record_id":"740985275429","gtin":"740985275429","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-B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","content_fingerprint":"sha256:524e731c700d14ab17c3341c4b4808c0b989975d02d7db948ac19ff5b8d55659","evidence_url":"https://lookcloser.ai/e/ev-0dc8b8d323f0"},{"evidence_id":"ev-207128dfe176","record_id":"740985275429","gtin":"740985275429","claim_key":"claim:origin","primary_source":"source_listing","claim":"“TABLETS, TRUSTED FOR 34+ YEARS: Over three months of daily coverage, made in the USA from domestic and globally sourced ingredients in an…”","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. Ingredient-sourcing records were not located for this product.","proof":{"kind":"origin","status":"unverified","snippet":"…100 TABLETS, TRUSTED FOR 34+ YEARS: Over three months of daily coverage, made in the USA from domestic and globally sourced ingredients in an FDA-registered facility and"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B00K0WY0PE","observed_at":"2026-09-01","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-09-01","content_fingerprint":"sha256:fcb97d2095e8f82382c92fdca91a6739deee18137d15abe11232c0ccef750a14","evidence_url":"https://lookcloser.ai/e/ev-207128dfe176"}],"label_math":{"verdict":"UNKNOWN","claimed_subject":null,"claimed_mg":null,"serving_mass_mg":null,"percent_of_serving":null,"serving_mass_source":null,"ambiguity":null,"declared_actives_total_mg":null,"headline_claim_mg":null,"headline_subject":null,"subject_actual_mg":null},"listing_claims":{"dose_claims":[],"testing":{"claimed":false,"named_lab_or_certifier":false},"container":{"units":100,"servings":null,"pack_count":1,"units_conflict":false},"marketing_text":[],"certification_text":[],"claim_checks":[{"kind":"origin","label":"Origin claim","snippet":"…100 TABLETS, TRUSTED FOR 34+ YEARS: Over three months of daily coverage, made in the USA from domestic and globally sourced ingredients in an FDA-registered facility and","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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