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New and untested products also have no recall records."},"html_anchor":"finding-fda-public-records-recall-search-no-match-found-as-of-aug-13-2026","report_url":"https://lookcloser.ai/p/850070654487/full#finding-fda-public-records-recall-search-no-match-found-as-of-aug-13-2026"},{"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/00850070654487","scope":"exact_product","inference_level":"gap","observed_at":"2026-08-12","presentation_tone":"gap","evidence_id":"ev-a0c7a7e0ed09","evidence_url":"https://lookcloser.ai/e/ev-a0c7a7e0ed09","content_fingerprint":"sha256:d49aac1d97a38aa9a9d189182e19d81c42ba558f69feec0bedc609ebe200260d","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/00850070654487","observed_at":"2026-08-12","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-12","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/850070654487/full#finding-barcode-gtin-record-upc-valid-no-independent-record"}],"evidence_records":[{"evidence_id":"ev-24cecc805a75","record_id":"850070654487","gtin":"850070654487","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 Jiangsu Handian Biotechnology CO.,LTD. (limited company (ltd.); CHINA) (OTHER) in CHINA; CALIFORNIA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","proof":{"detail":"USPTO lists Jiangsu Handian Biotechnology CO.,LTD. (limited company (ltd.); CHINA) (OTHER) in CHINA; CALIFORNIA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product."},"source_refs":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=90220605&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-12","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 6443106","receipt_label":"USPTO · Registration 6443106"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:137a07e15780c170bf03badb975ceb71ea2a5bd0dfc3df970cca8be54676aa13","evidence_url":"https://lookcloser.ai/e/ev-24cecc805a75"},{"evidence_id":"ev-7a586d7982c3","record_id":"850070654487","gtin":"850070654487","claim_key":"finding:nih-published-research-each-ingredient-s-amount-is-disclosed","primary_source":"pubmed_melatonin","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":"pubmed_melatonin","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=melatonin+dose+sleep+onset+meta-analysis","observed_at":"2026-08-12","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:77686bf3b1830c3baa2c8c4833493475d5f3d541e39221ad1fddba65b874176f","evidence_url":"https://lookcloser.ai/e/ev-7a586d7982c3"},{"evidence_id":"ev-b7f7401a0193","record_id":"850070654487","gtin":"850070654487","claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-aug-13-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Aug 13, 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:%22Nature%27s+Key%22+OR+product_description:%22Nature%27s+Key%22)&limit=5","observed_at":"2026-08-12","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"Nature's Key","receipt_label":"FDA enforcement search · Nature's Key"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:930ecdabad6701897224399fb74f83dee6a6e95a7d9a9b5e7e45421ae68a2bc0","evidence_url":"https://lookcloser.ai/e/ev-b7f7401a0193"},{"evidence_id":"ev-7d1779127062","record_id":"850070654487","gtin":"850070654487","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/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:0fd393489cdf8a25be5175a7dc204e382049ce51f2b53cc7083d0bcdd4138be6","evidence_url":"https://lookcloser.ai/e/ev-7d1779127062"},{"evidence_id":"ev-8a88e211b6b2","record_id":"850070654487","gtin":"850070654487","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/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:2c5dfe1ca34f9a84c39d6a49e62b48f6543d11eb88f4a7d9b7d31a4595697312","evidence_url":"https://lookcloser.ai/e/ev-8a88e211b6b2"},{"evidence_id":"ev-a0c7a7e0ed09","record_id":"850070654487","gtin":"850070654487","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/00850070654487","observed_at":"2026-08-12","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:d49aac1d97a38aa9a9d189182e19d81c42ba558f69feec0bedc609ebe200260d","evidence_url":"https://lookcloser.ai/e/ev-a0c7a7e0ed09"},{"evidence_id":"ev-fc63f2cd7ec8","record_id":"850070654487","gtin":"850070654487","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 claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. NSF, IFOS, USP, and Informed-Sport were not checked in this record.","proof":{"detail":"The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is retained, so the claim cannot be verified as stated. NSF, IFOS, USP, and Informed-Sport were not checked in this record."},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:495ed68ce2103ccd2bedfcc3f3e58bdcb6e613b0fbd365359ed3b8b5452cf701","evidence_url":"https://lookcloser.ai/e/ev-fc63f2cd7ec8"},{"evidence_id":"ev-048fc5c2cb78","record_id":"850070654487","gtin":"850070654487","claim_key":"finding:keepa-exact-listing-history-review-count-history-not-available","primary_source":"keepa_history","claim":"Review-count history: not available","bucket":"unverified","looked":"LookCloser checked Keepa exact-listing history.","found":"Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made.","proof":{"detail":"Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made."},"source_refs":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:b40814eeb0e6e6d4bca2eb8096acaf38282b41aa85ba0261042dffe6e97caf4e","evidence_url":"https://lookcloser.ai/e/ev-048fc5c2cb78"},{"evidence_id":"ev-1969e79ccd61","record_id":"850070654487","gtin":"850070654487","claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"pubmed_melatonin","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how melatonin have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH NCCIH — Melatonin, PubMed search: melatonin dose sleep onset.","proof":{"detail":"Published sources describe how melatonin have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH NCCIH — Melatonin, PubMed search: melatonin dose sleep onset."},"source_refs":[{"source":"pubmed_melatonin","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=melatonin+dose+sleep+onset+meta-analysis","observed_at":"2026-08-12","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:33f373f2e732bef1da4fb27fdbb1234f61188564b76062e66a3aa6bab09d96d8","evidence_url":"https://lookcloser.ai/e/ev-1969e79ccd61"},{"evidence_id":"ev-59f33f94a299","record_id":"850070654487","gtin":"850070654487","claim_key":"claim:testing","primary_source":"source_listing","claim":"“tested for purity 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. No exact brand product page was available for a document check. 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":"…Third-party tested for purity and potency.…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://mynatureskey.com","observed_at":"2026-08-12","identity_basis":"brand_domain_only","scope":"brand_or_exact_product"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:ae05ab0cc1e84d3cd40a4f243fdecad9c2c772da571077b13956acf4593652ed","evidence_url":"https://lookcloser.ai/e/ev-59f33f94a299"},{"evidence_id":"ev-d1167ea0e3ca","record_id":"850070654487","gtin":"850070654487","claim_key":"claim:efficacy","primary_source":"source_listing","claim":"“Nature's Key Melatonin Gummies, Melatonin 5mg with Vitamin B6, Melatonin Supplement Sleep Support (60 Count,”","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. Whether this product’s doses match those studies could not be confirmed.","proof":{"kind":"efficacy","status":"partly","snippet":"Nature's Key Melatonin Gummies, Melatonin 5mg with Vitamin B6, Melatonin Supplement Sleep Support (60 Count, Pineapple)…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0GZVSXG77","observed_at":"2026-08-12","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"nih_ods_vitamin-b6","source_url":"https://ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/","observed_at":"2026-08-12","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"vitamin b6","receipt_label":"NIH ODS · vitamin b6 fact sheet"},{"source":"pubmed_vitamin-b6","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=%22vitamin+b6%22","observed_at":"2026-08-12","identity_basis":"named_ingredient","scope":"ingredient"},{"source":"nih_ods_melatonin","source_url":"https://ods.od.nih.gov/factsheets/Melatonin-HealthProfessional/","observed_at":"2026-08-12","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"melatonin","receipt_label":"NIH ODS · melatonin fact sheet"},{"source":"pubmed_melatonin","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=melatonin+dose+sleep+onset+meta-analysis","observed_at":"2026-08-12","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-12","content_fingerprint":"sha256:7351c1f150079658e53fb92d36c7a55cd01530018eb8e6e811f44b6d43fd6e89","evidence_url":"https://lookcloser.ai/e/ev-d1167ea0e3ca"}],"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":true,"named_lab_or_certifier":false},"container":{"units":60,"servings":null,"pack_count":1,"units_conflict":false},"marketing_text":["WITH VITAMIN B6","DIETARY SUPPLEMENT","PINEAPPLE FLAVOR","Drug-free and no habit-forming, wake up refreshed.","Vitamin B6 for fast absorption of melatonin.","Each gummy contains 2.5mg of Melatonin, control the dose based off your needs!","VEGAN","NON GMO INGREDIENTS","NO ARTIFICIAL SWEETENER","NO DAIRY"],"certification_text":["Vegan","Non GMO","Gluten Free"],"claim_checks":[{"kind":"testing","label":"Quality-testing claim","snippet":"…Third-party tested for purity and potency.…","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. 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