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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_panel","kicker":"The useful read","headline":"7 ingredients’ amounts are hidden inside “Proprietary Blend”","deck":"A blend total may be legal, but it prevents you from knowing whether any individual ingredient reaches a meaningful amount.","display_mode":"single_home_per_finding","finding_ids":["label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro","certification-laboratory-record-testing-claimed-documentation-not-found","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"],"point_finding_ids":["label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro","certification-laboratory-record-testing-claimed-documentation-not-found","brand-storefront-same-barcode-on-the-brand-s-own-store"],"cards":[{"finding_id":"label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro","card_type":"labeling_compliance","question":"label","tone":"warn","weight":80,"headline":"7 ingredients’ amounts are hidden inside “Proprietary Blend”","evidence":"The label gives one combined figure of 400 mg ** for Niacin (vitamin B3), Vitamin B6, Folate and 4 more, and no amount for any of them individually. 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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/B09RKDGYJD","role":"claim surface"},{"label":"Official brand product page","url":"https://nutraharmony.com/products/biotin-vitamins-with-collagen-keratin","role":"exact product · claim repeated"}],"registry_receipts":[],"evidence_id":"ev-f035c4ada484","evidence_url":"https://lookcloser.ai/e/ev-f035c4ada484","presentation_home":"claim_scorecard"},{"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 · 608011224806.","evidence":"The brand's store lists this exact barcode as “Biotin Collagen & Keratin | Hair Skin & Nails Vitamins” (variant: 60 Capsules) — 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-8375b34b900f","evidence_url":"https://lookcloser.ai/e/ev-8375b34b900f","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 collagen peptides.","evidence":"Published sources describe how collagen peptides have been studied. 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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=98472801&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 7651550","registry_name":"USPTO","standard":null,"identifier":"Registration 7651550"}],"evidence_id":"ev-23626a3115be","evidence_url":"https://lookcloser.ai/e/ev-23626a3115be","presentation_home":"ownership_section"}],"research_links":[{"ingredient":"collagen peptides","label":"PubMed search: collagen peptide supplementation trial","url":"https://pubmed.ncbi.nlm.nih.gov/?term=collagen+peptide+supplementation+randomized","scope":"ingredient_context","product_evidence":false},{"ingredient":"collagen peptides","label":"WebMD search: collagen","url":"https://www.webmd.com/vitamins/search?query=collagen","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."]},"tldr":{"assessment":"caution","headline":"7 ingredients’ amounts are hidden inside “Proprietary Blend”","summary":"The label gives one combined figure of 400 mg ** for Niacin (vitamin B3), Vitamin B6, Folate and 4 more, and no amount for any of them individually. You cannot tell whether any one reaches a dose used in research — it could be almost all of the blend, or a trace. The panel below shows exactly which rows these are.","lead_finding_id":"label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro","key_findings":[{"id":"label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro","class":"warn","headline":"7 ingredients’ amounts are hidden inside “Proprietary Blend”","source":"Label and serving arithmetic","scope":"exact_listing"},{"id":"uspto-trademark-registry-exact-trademark-owner-identified","class":"ok","headline":"Exact trademark owner identified","source":"USPTO trademark registry","scope":"brand_owner"}],"documented_concern_count":1,"confirmed_check_count":3,"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":"caution","headline":"7 ingredients’ amounts are hidden inside “Proprietary Blend”","detail":"The label gives one combined figure of 400 mg ** for Niacin (vitamin B3), Vitamin B6, Folate and 4 more, and no amount for any of them individually. You cannot tell whether any one reaches a dose used in research — it could be almost all of the blend, or a trace. The panel below shows exactly which rows these are.","lead_finding_id":"label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro","meaning":"Finding-first decision support. Confirmed checks are not endorsements; cautions identify documented facts or bounded comparisons, not medical advice."},"public_verifiability":{"state":"caution","headline":"Caution — a finding needs explanation","detail":"7 ingredients’ amounts are hidden inside “Proprietary Blend”.","meaning":"Evidence availability only. Missing public data is a gap, never a strike."},"consistency_score":7.5,"findings":[{"id":"label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro","source":"Label and serving arithmetic","class":"warn","noted":false,"severity":"warn","weight":80,"headline":"7 ingredients’ amounts are hidden inside “Proprietary Blend”","detail":"The label gives one combined figure of 400 mg ** for Niacin (vitamin B3), Vitamin B6, Folate and 4 more, and no amount for any of them individually. You cannot tell whether any one reaches a dose used in research — it could be almost all of the blend, or a trace. The panel below shows exactly which rows these are.","proof":"The label gives one combined figure of 400 mg ** for Niacin (vitamin B3), Vitamin B6, Folate and 4 more, and no amount for any of them individually. You cannot tell whether any one reaches a dose used in research — it could be almost all of the blend, or a trace. The panel below shows exactly which rows these are.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B09RKDGYJD","scope":"exact_listing","inference_level":"derived","observed_at":"2026-07-21","presentation_tone":"warn","evidence_id":"ev-8e9fa8d53385","evidence_url":"https://lookcloser.ai/e/ev-8e9fa8d53385","content_fingerprint":"sha256:f965a42401e719f21333fb4341ee056918d76f95a50e63ddb9f1198839b57db4","registry_receipts":[],"evidence":{"summary":"The label gives one combined figure of 400 mg ** for Niacin (vitamin B3), Vitamin B6, Folate and 4 more, and no amount for any of them individually. You cannot tell whether any one reaches a dose used in research — it could be almost all of the blend, or a trace. 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The panel below shows exactly which rows these are."},"html_anchor":"finding-label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro","report_url":"https://lookcloser.ai/p/608011224806/full#finding-label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro"},{"id":"barcode-gtin-record-upc-independently-corroborated","source":"Barcode / GTIN record","class":"ok","noted":false,"severity":"ok","weight":43,"headline":"UPC independently corroborated","detail":"UPCitemdb resolves 608011224806 to \"Biotin | Collagen | Keratin - Clinically Tested Supplement - Hair Growth Support\" (NUTRAHARMONY) — consistent with this listing.","proof":"UPCitemdb resolves 608011224806 to \"Biotin | Collagen | Keratin - Clinically Tested Supplement - Hair Growth Support\" (NUTRAHARMONY) — consistent with this listing.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00608011224806","scope":"exact_product","inference_level":"direct_observation","observed_at":"2026-07-21","presentation_tone":"ok","evidence_id":"ev-5399ffa19075","evidence_url":"https://lookcloser.ai/e/ev-5399ffa19075","content_fingerprint":"sha256:8811f5d128d9db8a8defddf146ce6b7d979d4da6354812deac9494e954ca0771","registry_receipts":[],"evidence":{"summary":"UPCitemdb resolves 608011224806 to \"Biotin | Collagen | Keratin - Clinically Tested Supplement - Hair Growth Support\" (NUTRAHARMONY) — consistent with this listing.","source_refs":["barcode_search","source_listing"],"source_records":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00608011224806","observed_at":"2026-07-21","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Barcode / GTIN record.","found":"UPCitemdb resolves 608011224806 to \"Biotin | Collagen | Keratin - Clinically Tested Supplement - Hair Growth Support\" (NUTRAHARMONY) — consistent with this listing."},"html_anchor":"finding-barcode-gtin-record-upc-independently-corroborated","report_url":"https://lookcloser.ai/p/608011224806/full#finding-barcode-gtin-record-upc-independently-corroborated"},{"id":"uspto-trademark-registry-exact-trademark-owner-identified","source":"USPTO trademark registry","class":"ok","noted":false,"severity":"ok","weight":38,"headline":"Exact trademark owner identified","detail":"USPTO lists NUTRA HARMONY LLC (LIMITED LIABILITY COMPANY) in Wyoming, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","proof":"USPTO lists NUTRA HARMONY LLC (LIMITED LIABILITY COMPANY) in Wyoming, 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=98472801&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"direct_observation","observed_at":"2026-07-21","presentation_tone":"ok","evidence_id":"ev-23626a3115be","evidence_url":"https://lookcloser.ai/e/ev-23626a3115be","content_fingerprint":"sha256:e89360744443a00c9861dc7e10b816bc90a88811ce5d646a008b3b02c6e55164","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=98472801&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 7651550","registry_name":"USPTO","standard":null,"identifier":"Registration 7651550"}],"evidence":{"summary":"USPTO lists NUTRA HARMONY LLC (LIMITED LIABILITY COMPANY) in Wyoming, 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=98472801&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-21","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 7651550","receipt_label":"USPTO · Registration 7651550"}],"observed_at":"2026-07-21","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO lists NUTRA HARMONY LLC (LIMITED LIABILITY COMPANY) in Wyoming, 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/608011224806/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 “Biotin Collagen & Keratin | Hair Skin & Nails Vitamins” (variant: 60 Capsules) — identity confirmed across retailer listings.","proof":"The brand's store lists this exact barcode as “Biotin Collagen & Keratin | Hair Skin & Nails Vitamins” (variant: 60 Capsules) — identity confirmed across retailer listings.","identity_basis":"listing","status":"live","source_refs":["brand_store","source_listing"],"source_url":"https://nutraharmony.com/products/biotin-vitamins-with-collagen-keratin","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-07-21","presentation_tone":"ok","evidence_id":"ev-8375b34b900f","evidence_url":"https://lookcloser.ai/e/ev-8375b34b900f","content_fingerprint":"sha256:ffb75694af15a5cbcde8b17903efde6209163ffdf9c8309b0cd585e79d365bcc","registry_receipts":[],"evidence":{"summary":"The brand's store lists this exact barcode as “Biotin Collagen & Keratin | Hair Skin & Nails Vitamins” (variant: 60 Capsules) — identity confirmed across retailer listings.","source_refs":["brand_store","source_listing"],"source_records":[{"source":"brand_store","source_url":"https://nutraharmony.com/products/biotin-vitamins-with-collagen-keratin","observed_at":"2026-07-21","identity_basis":"exact_gtin","scope":"brand_or_exact_product"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Brand storefront.","found":"The brand's store lists this exact barcode as “Biotin Collagen & Keratin | Hair Skin & Nails Vitamins” (variant: 60 Capsules) — identity confirmed across retailer listings."},"html_anchor":"finding-brand-storefront-same-barcode-on-the-brand-s-own-store","report_url":"https://lookcloser.ai/p/608011224806/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/B09RKDGYJD","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-f035c4ada484","evidence_url":"https://lookcloser.ai/e/ev-f035c4ada484","content_fingerprint":"sha256:696de773ec01f06fb2a9565e008aa58141a516429cc129b550bd85fe431f3872","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/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://nutraharmony.com/products/biotin-vitamins-with-collagen-keratin","observed_at":"2026-07-21","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-07-21","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/608011224806/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/B09RKDGYJD","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-5cede633a4a7","evidence_url":"https://lookcloser.ai/e/ev-5cede633a4a7","content_fingerprint":"sha256:3c0cae058ca88f325ef72f58486e8866206aa0912ad3c522dfd76a08d2e7f488","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/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","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/608011224806/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 collagen peptides have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: PubMed search: collagen peptide supplementation trial, WebMD search: collagen.","proof":"Published sources describe how collagen peptides have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: PubMed search: collagen peptide supplementation trial, WebMD search: collagen.","identity_basis":"ingredient","status":"live","source_refs":["pubmed_collagen"],"source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=collagen+peptide+supplementation+randomized","scope":"ingredient_context","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-bedceb70cab4","evidence_url":"https://lookcloser.ai/e/ev-bedceb70cab4","content_fingerprint":"sha256:606865392cc5cae09ea6ae7f60d4ad44c36028aca4c45d851b59f19c2115edd0","registry_receipts":[],"evidence":{"summary":"Published sources describe how collagen peptides have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: PubMed search: collagen peptide supplementation trial, WebMD search: collagen.","source_refs":["pubmed_collagen"],"source_records":[{"source":"pubmed_collagen","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=collagen+peptide+supplementation+randomized","observed_at":"2026-07-21","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-21","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how collagen peptides have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: PubMed search: collagen peptide supplementation trial, WebMD search: collagen."},"html_anchor":"finding-nih-published-research-research-context-is-available-for-the-listed-ingr","report_url":"https://lookcloser.ai/p/608011224806/full#finding-nih-published-research-research-context-is-available-for-the-listed-ingr"},{"id":"label-and-serving-arithmetic-public-label-filing-not-retained","source":"Label and serving arithmetic","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Public label filing not retained","detail":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","proof":"We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B09RKDGYJD","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-be86d8ff0836","evidence_url":"https://lookcloser.ai/e/ev-be86d8ff0836","content_fingerprint":"sha256:f56289b56c44fffe9eae44e2a823950ceeda64a8aa7127ac53bb2b213cd4e222","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/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","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/608011224806/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:%22NUTRAHARMONY%22+OR+product_description:%22NUTRAHARMONY%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"caution","evidence_id":"ev-96ee851e72f1","evidence_url":"https://lookcloser.ai/e/ev-96ee851e72f1","content_fingerprint":"sha256:21c7d85191c00363d2d6cb59112a21a62987e041df41e6e880061e7cc2fdaaec","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:%22NUTRAHARMONY%22+OR+product_description:%22NUTRAHARMONY%22)&limit=5","observed_at":"2026-07-21","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"NUTRAHARMONY","receipt_label":"FDA enforcement search · NUTRAHARMONY"}],"observed_at":"2026-07-21","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/608011224806/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-B09RKDGYJD","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-e59de064807e","evidence_url":"https://lookcloser.ai/e/ev-e59de064807e","content_fingerprint":"sha256:96ef07267eb189a94b16f443580b9199d35dafa57977c8888f9acaa4f4615ef1","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-B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","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/608011224806/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 1,860 on 2025-07-29 to 2,999 on 2026-08-18 (net +1,139). 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 1,860 on 2025-07-29 to 2,999 on 2026-08-18 (net +1,139). 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-B09RKDGYJD","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-7789fb9188ac","evidence_url":"https://lookcloser.ai/e/ev-7789fb9188ac","content_fingerprint":"sha256:19dbc700822ef9fd453c2a151a45577281b097bbdd19fbc583c697f4afa29d03","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 1,860 on 2025-07-29 to 2,999 on 2026-08-18 (net +1,139). 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-B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 1,860 on 2025-07-29 to 2,999 on 2026-08-18 (net +1,139). 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/608011224806/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"}],"evidence_records":[{"evidence_id":"ev-8e9fa8d53385","record_id":"608011224806","gtin":"608011224806","claim_key":"finding:label-and-serving-arithmetic-7-ingredients-amounts-are-hidden-inside-pro","primary_source":"facts_panel","claim":"7 ingredients’ amounts are hidden inside “Proprietary Blend”","bucket":"claimed_no_support","looked":"LookCloser checked Label and serving arithmetic.","found":"The label gives one combined figure of 400 mg ** for Niacin (vitamin B3), Vitamin B6, Folate and 4 more, and no amount for any of them individually. You cannot tell whether any one reaches a dose used in research — it could be almost all of the blend, or a trace. The panel below shows exactly which rows these are.","proof":{"detail":"The label gives one combined figure of 400 mg ** for Niacin (vitamin B3), Vitamin B6, Folate and 4 more, and no amount for any of them individually. You cannot tell whether any one reaches a dose used in research — it could be almost all of the blend, or a trace. The panel below shows exactly which rows these are."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:f965a42401e719f21333fb4341ee056918d76f95a50e63ddb9f1198839b57db4","evidence_url":"https://lookcloser.ai/e/ev-8e9fa8d53385"},{"evidence_id":"ev-23626a3115be","record_id":"608011224806","gtin":"608011224806","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 NUTRA HARMONY LLC (LIMITED LIABILITY COMPANY) in Wyoming, 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 NUTRA HARMONY LLC (LIMITED LIABILITY COMPANY) in Wyoming, 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=98472801&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-21","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 7651550","receipt_label":"USPTO · Registration 7651550"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:e89360744443a00c9861dc7e10b816bc90a88811ce5d646a008b3b02c6e55164","evidence_url":"https://lookcloser.ai/e/ev-23626a3115be"},{"evidence_id":"ev-8375b34b900f","record_id":"608011224806","gtin":"608011224806","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 “Biotin Collagen & Keratin | Hair Skin & Nails Vitamins” (variant: 60 Capsules) — identity confirmed across retailer listings.","proof":{"detail":"The brand's store lists this exact barcode as “Biotin Collagen & Keratin | Hair Skin & Nails Vitamins” (variant: 60 Capsules) — identity confirmed across retailer listings."},"source_refs":[{"source":"brand_store","source_url":"https://nutraharmony.com/products/biotin-vitamins-with-collagen-keratin","observed_at":"2026-07-21","identity_basis":"exact_gtin","scope":"brand_or_exact_product"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:ffb75694af15a5cbcde8b17903efde6209163ffdf9c8309b0cd585e79d365bcc","evidence_url":"https://lookcloser.ai/e/ev-8375b34b900f"},{"evidence_id":"ev-5399ffa19075","record_id":"608011224806","gtin":"608011224806","claim_key":"finding:barcode-gtin-record-upc-independently-corroborated","primary_source":"barcode_search","claim":"UPC independently corroborated","bucket":"checks_out","looked":"LookCloser checked Barcode / GTIN record.","found":"UPCitemdb resolves 608011224806 to \"Biotin | Collagen | Keratin - Clinically Tested Supplement - Hair Growth Support\" (NUTRAHARMONY) — consistent with this listing.","proof":{"detail":"UPCitemdb resolves 608011224806 to \"Biotin | Collagen | Keratin - Clinically Tested Supplement - Hair Growth Support\" (NUTRAHARMONY) — consistent with this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00608011224806","observed_at":"2026-07-21","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:8811f5d128d9db8a8defddf146ce6b7d979d4da6354812deac9494e954ca0771","evidence_url":"https://lookcloser.ai/e/ev-5399ffa19075"},{"evidence_id":"ev-96ee851e72f1","record_id":"608011224806","gtin":"608011224806","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:%22NUTRAHARMONY%22+OR+product_description:%22NUTRAHARMONY%22)&limit=5","observed_at":"2026-07-21","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"NUTRAHARMONY","receipt_label":"FDA enforcement search · NUTRAHARMONY"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:21c7d85191c00363d2d6cb59112a21a62987e041df41e6e880061e7cc2fdaaec","evidence_url":"https://lookcloser.ai/e/ev-96ee851e72f1"},{"evidence_id":"ev-5cede633a4a7","record_id":"608011224806","gtin":"608011224806","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/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:3c0cae058ca88f325ef72f58486e8866206aa0912ad3c522dfd76a08d2e7f488","evidence_url":"https://lookcloser.ai/e/ev-5cede633a4a7"},{"evidence_id":"ev-be86d8ff0836","record_id":"608011224806","gtin":"608011224806","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/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:f56289b56c44fffe9eae44e2a823950ceeda64a8aa7127ac53bb2b213cd4e222","evidence_url":"https://lookcloser.ai/e/ev-be86d8ff0836"},{"evidence_id":"ev-f035c4ada484","record_id":"608011224806","gtin":"608011224806","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/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://nutraharmony.com/products/biotin-vitamins-with-collagen-keratin","observed_at":"2026-07-21","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:696de773ec01f06fb2a9565e008aa58141a516429cc129b550bd85fe431f3872","evidence_url":"https://lookcloser.ai/e/ev-f035c4ada484"},{"evidence_id":"ev-7789fb9188ac","record_id":"608011224806","gtin":"608011224806","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 1,860 on 2025-07-29 to 2,999 on 2026-08-18 (net +1,139). 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 1,860 on 2025-07-29 to 2,999 on 2026-08-18 (net +1,139). 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-B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09RKDGYJD","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:19dbc700822ef9fd453c2a151a45577281b097bbdd19fbc583c697f4afa29d03","evidence_url":"https://lookcloser.ai/e/ev-7789fb9188ac"},{"evidence_id":"ev-e59de064807e","record_id":"608011224806","gtin":"608011224806","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. 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