{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"850011016725","processing":{"collection_process_version":"2026-07-24.5","last_collected_at":"2026-08-15T23:26:24-0700","last_collection_event":"intake","label_reader_version":"2026-07-27.1","report_schema":"lookcloser/record@0.2","rendered_at":"2026-08-16T01:18:20-0700"},"analysis_status":"complete","processing_gaps":[],"gtin":"850011016725","listing_identifier":"B0B58DCF6X","brand":"NuBest","title":"Nubest Hair Xtra, Premium Hair Growth Support for Men & Women, 60 Vegan Capsules","listing_title":"NuBest Hair Xtra Hair Growth Vitamins for Women & Men, Biotin 3000 mcg Hair Supplement with MSM, Zinc, B Vitamins, Horsetail & Hyaluronic Acid, Hair Skin and Nails Support, 60 Capsules","identity":{"canonical_gtin":"00850011016725","source_listing_gtin":"00850011016725","listing_identifier":"B0B58DCF6X","product_image":"https://m.media-amazon.com/images/I/71+iK2LKuNL.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/B0B58DCF6X","primary_url":"https://m.media-amazon.com/images/I/71+iK2LKuNL.jpg","image_count":7,"last_attempted":"2026-08-15T23:26:23-0700","attempts":1},"observed_at":"2026-08-15","source_confirmations":["source_listing_gtin","external_barcode_record","brand_store_gtin"],"brand_consistency":{"status":"match","compatible":true,"listing_brand":"NuBest","package_brand":"NuBest","match_method":"normalized_exact","similarity":1},"identity_rule":"exact identifiers only; related products are never substituted"},"trademark_owner":null,"trademark_owner_candidates":[{"name":"NUBEST, INC.","entity":"CORPORATION; PRIVATE LIMITED COMPANY","country":"WYOMING, USA; SINGAPORE","address_filed":"1910 THOMES AVENUE, CHEYENNE, WYOMING 82001, UNITED STATES","address_public":"WYOMING 82001, UNITED STATES; 179804, SINGAPORE","serial_number":"97609962","registration_number":"7169615","wordmark":"NUBEST","status_description":"REGISTERED","filed_date":"2022-09-28T00:00:00","first_use_commerce_date":"2022-03-04","registration_date":"2023-09-19","assignment_recorded":true,"goods_services":["IC 005: Dietary and nutritional supplements; vitamin supplements; multivitamin preparations."],"source":"USPTO Trademark Search","source_url":"https://tsdr.uspto.gov/#caseNumber=97609962&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","identity_basis":"exact_wordmark_and_supplement_goods"},{"name":"Nguyen, Thang Huu","entity":"INDIVIDUAL; PRIVATE LIMITED COMPANY","country":"VIETNAM; 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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":"Ingredient amounts are hidden inside “Hair Wellness 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-ingredient-amounts-are-hidden-inside-hair-w","uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","brand-storefront-same-barcode-on-the-brand-s-own-store","nih-published-research-research-context-is-available-for-the-listed-ingr"],"point_finding_ids":["label-and-serving-arithmetic-ingredient-amounts-are-hidden-inside-hair-w","uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","brand-storefront-same-barcode-on-the-brand-s-own-store"],"cards":[{"finding_id":"label-and-serving-arithmetic-ingredient-amounts-are-hidden-inside-hair-w","card_type":"labeling_compliance","question":"label","tone":"warn","weight":80,"headline":"Ingredient amounts are hidden inside “Hair Wellness Proprietary Blend”","evidence":"The panel lists “Hair Wellness Proprietary Blend” (336 mg) as a combined amount. 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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=97609962&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registrations 7169615, 5751063","registry_name":"USPTO","standard":null,"identifier":"Registrations 7169615, 5751063"}],"evidence_id":"ev-2209a61b3d04","evidence_url":"https://lookcloser.ai/e/ev-2209a61b3d04","presentation_home":"finding_catalog"},{"finding_id":"brand-storefront-same-barcode-on-the-brand-s-own-store","card_type":"upc_corroborated","question":"owner","tone":"ok","weight":48,"headline":"The barcode identity checks out · 850011016725.","evidence":"The brand's store lists this exact barcode as “Hair Xtra, Premium Hair Growth Support for Men & Women, 60 Vegan Capsules” (variant: 1-pack) — 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-611104bf5fd1","evidence_url":"https://lookcloser.ai/e/ev-611104bf5fd1","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 zinc.","evidence":"Published sources describe how zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Zinc fact sheet, PubMed search: zinc supplementation trial.","so_what":"Use the linked research to check whether the ingredient and outcome you care about are actually connected. Ingredient evidence does not verify this product.","source":"NIH / published research","source_links":[{"label":"NIH ODS — Zinc fact sheet","url":"https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/","role":"zinc context · not product evidence"},{"label":"PubMed search: zinc supplementation trial","url":"https://pubmed.ncbi.nlm.nih.gov/?term=zinc+supplementation+randomized","role":"zinc context · not product evidence"}],"registry_receipts":[{"source":"nih_ods_zinc","url":"https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/","label":"NIH ODS — Zinc fact sheet","registry_name":"NIH ODS","standard":null,"identifier":"zinc"}],"evidence_id":"ev-993eee047a03","evidence_url":"https://lookcloser.ai/e/ev-993eee047a03","presentation_home":"research_section"}],"research_links":[{"ingredient":"zinc","label":"NIH ODS — Zinc fact sheet","url":"https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/","scope":"ingredient_context","product_evidence":false},{"ingredient":"zinc","label":"PubMed search: zinc supplementation trial","url":"https://pubmed.ncbi.nlm.nih.gov/?term=zinc+supplementation+randomized","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":"Ingredient amounts are hidden inside “Hair Wellness Proprietary Blend”","summary":"The panel lists “Hair Wellness Proprietary Blend” (336 mg) as a combined amount. 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Missing evidence is a gap, not a strike."},"origin_context":null,"verdict":{"state":"caution","headline":"Ingredient amounts are hidden inside “Hair Wellness Proprietary Blend”","detail":"The panel lists “Hair Wellness Proprietary Blend” (336 mg) as a combined amount. A blend total can’t tell you whether any single ingredient reaches a dose used in research.","lead_finding_id":"label-and-serving-arithmetic-ingredient-amounts-are-hidden-inside-hair-w","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":"Ingredient amounts are hidden inside “Hair Wellness Proprietary Blend”.","meaning":"Evidence availability only. 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A blend total can’t tell you whether any single ingredient reaches a dose used in research.","identity_basis":"listing","status":"live","source_refs":["facts_panel","source_listing"],"source_url":"https://www.amazon.com/dp/B0B58DCF6X","scope":"exact_listing","inference_level":"derived","observed_at":"2026-08-15","presentation_tone":"warn","evidence_id":"ev-9ae2c033af03","evidence_url":"https://lookcloser.ai/e/ev-9ae2c033af03","content_fingerprint":"sha256:2b98523a9a7757809c67f22ef00ce38d7a4cd0853d5dcfd54ba2d096e7ea8444","registry_receipts":[],"evidence":{"summary":"The panel lists “Hair Wellness Proprietary Blend” (336 mg) as a combined amount. A blend total can’t tell you whether any single ingredient reaches a dose used in research.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","looked":"LookCloser checked Label and serving arithmetic.","found":"The panel lists “Hair Wellness Proprietary Blend” (336 mg) as a combined amount. A blend total can’t tell you whether any single ingredient reaches a dose used in research."},"html_anchor":"finding-label-and-serving-arithmetic-ingredient-amounts-are-hidden-inside-hair-w","report_url":"https://lookcloser.ai/p/850011016725/full#finding-label-and-serving-arithmetic-ingredient-amounts-are-hidden-inside-hair-w"},{"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 “Hair Xtra, Premium Hair Growth Support for Men & Women, 60 Vegan Capsules” (variant: 1-pack) — identity confirmed across retailer listings.","proof":"The brand's store lists this exact barcode as “Hair Xtra, Premium Hair Growth Support for Men & Women, 60 Vegan Capsules” (variant: 1-pack) — identity confirmed across retailer listings.","identity_basis":"listing","status":"live","source_refs":["brand_store","source_listing"],"source_url":"https://nubest.com/products/shopping-hair-xtra-premium-hair-growth-support-for-men-women-60-vegan-capsules","scope":"exact_listing","inference_level":"direct_observation","observed_at":"2026-08-15","presentation_tone":"ok","evidence_id":"ev-611104bf5fd1","evidence_url":"https://lookcloser.ai/e/ev-611104bf5fd1","content_fingerprint":"sha256:61303be4002dec6553d0ec03fbe899753517f36cf00bf4a27706bf28c1f5d660","registry_receipts":[],"evidence":{"summary":"The brand's store lists this exact barcode as “Hair Xtra, Premium Hair Growth Support for Men & Women, 60 Vegan Capsules” (variant: 1-pack) — identity confirmed across retailer listings.","source_refs":["brand_store","source_listing"],"source_records":[{"source":"brand_store","source_url":"https://nubest.com/products/shopping-hair-xtra-premium-hair-growth-support-for-men-women-60-vegan-capsules","observed_at":"2026-08-15","identity_basis":"exact_gtin","scope":"brand_or_exact_product"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","looked":"LookCloser checked Brand storefront.","found":"The brand's store lists this exact barcode as “Hair Xtra, Premium Hair Growth Support for Men & Women, 60 Vegan Capsules” (variant: 1-pack) — identity confirmed across retailer listings."},"html_anchor":"finding-brand-storefront-same-barcode-on-the-brand-s-own-store","report_url":"https://lookcloser.ai/p/850011016725/full#finding-brand-storefront-same-barcode-on-the-brand-s-own-store"},{"id":"barcode-gtin-record-upc-independently-corroborated","source":"Barcode / GTIN record","class":"ok","noted":false,"severity":"ok","weight":38,"headline":"UPC independently corroborated","detail":"UPCitemdb resolves 850011016725 to \"Hair Xtra by NuBest  Supports Hair Strength & Volume for Men & Women  60 Vegan C\" (NuBest) — consistent with this listing.","proof":"UPCitemdb resolves 850011016725 to \"Hair Xtra by NuBest  Supports Hair Strength & Volume for Men & Women  60 Vegan C\" (NuBest) — consistent with this listing.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00850011016725","scope":"exact_product","inference_level":"direct_observation","observed_at":"2026-08-15","presentation_tone":"ok","evidence_id":"ev-7b63f364ea3c","evidence_url":"https://lookcloser.ai/e/ev-7b63f364ea3c","content_fingerprint":"sha256:30ee1e6c0d92d6c1f27437fe22f5addde95685bda79d5ee582869ea140cdbb17","registry_receipts":[],"evidence":{"summary":"UPCitemdb resolves 850011016725 to \"Hair Xtra by NuBest  Supports Hair Strength & Volume for Men & Women  60 Vegan C\" (NuBest) — consistent with this 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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/B0B58DCF6X","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-15","presentation_tone":"gap","evidence_id":"ev-42928f65ced1","evidence_url":"https://lookcloser.ai/e/ev-42928f65ced1","content_fingerprint":"sha256:a0f702765a85592a050772e97d6419ce7fd0f8d2615734e1df6bf97fa2322b60","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/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","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/850011016725/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 zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Zinc fact sheet, PubMed search: zinc supplementation trial.","proof":"Published sources describe how zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Zinc fact sheet, PubMed search: zinc supplementation trial.","identity_basis":"ingredient","status":"live","source_refs":["nih_ods_zinc","pubmed_zinc"],"source_url":"https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/","scope":"ingredient_context","inference_level":"gap","observed_at":"2026-08-15","presentation_tone":"gap","evidence_id":"ev-993eee047a03","evidence_url":"https://lookcloser.ai/e/ev-993eee047a03","content_fingerprint":"sha256:93e3186e3d8b3e104bbb1d0a5e79130d0254266f3be1f15e957e769a451ae3b5","registry_receipts":[{"source":"nih_ods_zinc","url":"https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/","label":"NIH ODS — Zinc fact sheet","registry_name":"NIH ODS","standard":null,"identifier":"zinc"}],"evidence":{"summary":"Published sources describe how zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Zinc fact sheet, PubMed search: zinc supplementation trial.","source_refs":["nih_ods_zinc","pubmed_zinc"],"source_records":[{"source":"nih_ods_zinc","source_url":"https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/","observed_at":"2026-08-15","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"zinc","receipt_label":"NIH ODS — Zinc fact sheet"},{"source":"pubmed_zinc","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=zinc+supplementation+randomized","observed_at":"2026-08-15","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-15","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Zinc fact sheet, PubMed search: zinc supplementation trial."},"html_anchor":"finding-nih-published-research-research-context-is-available-for-the-listed-ingr","report_url":"https://lookcloser.ai/p/850011016725/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/B0B58DCF6X","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-15","presentation_tone":"gap","evidence_id":"ev-8da35b9f364d","evidence_url":"https://lookcloser.ai/e/ev-8da35b9f364d","content_fingerprint":"sha256:b97024c113bc48f838c050de919cf07a9964f583bd268e794f4546d50c46b8f1","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/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","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/850011016725/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"fda-public-records-recall-search-no-match-found-as-of-aug-16-2026","source":"FDA public records","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Recall search: no match found (as of Aug 16, 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:%22NuBest%22+OR+product_description:%22NuBest%22)&limit=5","scope":"search_scope","inference_level":"gap","observed_at":"2026-08-15","presentation_tone":"caution","evidence_id":"ev-7de12ce26ab3","evidence_url":"https://lookcloser.ai/e/ev-7de12ce26ab3","content_fingerprint":"sha256:da68d589e8ff3006e102c035e92b3eaa45407b3bdd30016b96066d7c6e0e1d13","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:%22NuBest%22+OR+product_description:%22NuBest%22)&limit=5","observed_at":"2026-08-15","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"NuBest","receipt_label":"FDA enforcement search · NuBest"}],"observed_at":"2026-08-15","looked":"LookCloser checked FDA public records.","found":"This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records."},"html_anchor":"finding-fda-public-records-recall-search-no-match-found-as-of-aug-16-2026","report_url":"https://lookcloser.ai/p/850011016725/full#finding-fda-public-records-recall-search-no-match-found-as-of-aug-16-2026"},{"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-B0B58DCF6X","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-15","presentation_tone":"gap","evidence_id":"ev-365c56798a1f","evidence_url":"https://lookcloser.ai/e/ev-365c56798a1f","content_fingerprint":"sha256:8c3af0e8ac3484b77dfaeee6e99541b45a2b2ebec20ddfc4fb8e9bdff3c22c0b","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-B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","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/850011016725/full#finding-keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam"},{"id":"uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","source":"USPTO trademark registry","class":"gap","noted":false,"severity":"pend","weight":18,"headline":"Multiple USPTO brand-owner records are shown","detail":"USPTO returned multiple live supplement-class records for the exact brand wordmark: NUBEST, INC., Nguyen, Thang Huu. 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: NUBEST, INC., Nguyen, Thang Huu. 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=97609962&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"gap","observed_at":"2026-08-15","presentation_tone":"gap","evidence_id":"ev-2209a61b3d04","evidence_url":"https://lookcloser.ai/e/ev-2209a61b3d04","content_fingerprint":"sha256:d83ba9fdf9261cdf111ab917642d0ad8d0ac4669b8a59e98366043a43d6f4e94","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=97609962&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registrations 7169615, 5751063","registry_name":"USPTO","standard":null,"identifier":"Registrations 7169615, 5751063"}],"evidence":{"summary":"USPTO returned multiple live supplement-class records for the exact brand wordmark: NUBEST, INC., Nguyen, Thang Huu. 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=97609962&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-15","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registrations 7169615, 5751063","receipt_label":"USPTO · Registrations 7169615, 5751063"}],"observed_at":"2026-08-15","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO returned multiple live supplement-class records for the exact brand wordmark: NUBEST, INC., Nguyen, Thang Huu. 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/850011016725/full#finding-uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown"},{"id":"keepa-exact-listing-history-180-day-review-count-history-is-on-file","source":"Keepa exact-listing history","class":"gap","noted":false,"severity":"info","weight":16,"headline":"180-day review-count history is on file","detail":"Exact-listing history records written-review counts from 24 on 2025-08-13 to 25 on 2026-01-04 (net +1). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","proof":"Exact-listing history records written-review counts from 24 on 2025-08-13 to 25 on 2026-01-04 (net +1). 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-B0B58DCF6X","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-15","presentation_tone":"gap","evidence_id":"ev-57903ddb5f53","evidence_url":"https://lookcloser.ai/e/ev-57903ddb5f53","content_fingerprint":"sha256:7e612683516b1dd6d567a688d98e87182abd85569205d6705f5e03cb348a1927","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 24 on 2025-08-13 to 25 on 2026-01-04 (net +1). 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-B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 24 on 2025-08-13 to 25 on 2026-01-04 (net +1). 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/850011016725/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"}],"evidence_records":[{"evidence_id":"ev-9ae2c033af03","record_id":"850011016725","gtin":"850011016725","claim_key":"finding:label-and-serving-arithmetic-ingredient-amounts-are-hidden-inside-hair-w","primary_source":"facts_panel","claim":"Ingredient amounts are hidden inside “Hair Wellness Proprietary Blend”","bucket":"claimed_no_support","looked":"LookCloser checked Label and serving arithmetic.","found":"The panel lists “Hair Wellness Proprietary Blend” (336 mg) as a combined amount. A blend total can’t tell you whether any single ingredient reaches a dose used in research.","proof":{"detail":"The panel lists “Hair Wellness Proprietary Blend” (336 mg) as a combined amount. A blend total can’t tell you whether any single ingredient reaches a dose used in research."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:2b98523a9a7757809c67f22ef00ce38d7a4cd0853d5dcfd54ba2d096e7ea8444","evidence_url":"https://lookcloser.ai/e/ev-9ae2c033af03"},{"evidence_id":"ev-611104bf5fd1","record_id":"850011016725","gtin":"850011016725","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 “Hair Xtra, Premium Hair Growth Support for Men & Women, 60 Vegan Capsules” (variant: 1-pack) — identity confirmed across retailer listings.","proof":{"detail":"The brand's store lists this exact barcode as “Hair Xtra, Premium Hair Growth Support for Men & Women, 60 Vegan Capsules” (variant: 1-pack) — identity confirmed across retailer listings."},"source_refs":[{"source":"brand_store","source_url":"https://nubest.com/products/shopping-hair-xtra-premium-hair-growth-support-for-men-women-60-vegan-capsules","observed_at":"2026-08-15","identity_basis":"exact_gtin","scope":"brand_or_exact_product"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:61303be4002dec6553d0ec03fbe899753517f36cf00bf4a27706bf28c1f5d660","evidence_url":"https://lookcloser.ai/e/ev-611104bf5fd1"},{"evidence_id":"ev-7b63f364ea3c","record_id":"850011016725","gtin":"850011016725","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 850011016725 to \"Hair Xtra by NuBest  Supports Hair Strength & Volume for Men & Women  60 Vegan C\" (NuBest) — consistent with this listing.","proof":{"detail":"UPCitemdb resolves 850011016725 to \"Hair Xtra by NuBest  Supports Hair Strength & Volume for Men & Women  60 Vegan C\" (NuBest) — consistent with this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00850011016725","observed_at":"2026-08-15","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:30ee1e6c0d92d6c1f27437fe22f5addde95685bda79d5ee582869ea140cdbb17","evidence_url":"https://lookcloser.ai/e/ev-7b63f364ea3c"},{"evidence_id":"ev-7de12ce26ab3","record_id":"850011016725","gtin":"850011016725","claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-aug-16-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Aug 16, 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:%22NuBest%22+OR+product_description:%22NuBest%22)&limit=5","observed_at":"2026-08-15","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"NuBest","receipt_label":"FDA enforcement search · NuBest"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:da68d589e8ff3006e102c035e92b3eaa45407b3bdd30016b96066d7c6e0e1d13","evidence_url":"https://lookcloser.ai/e/ev-7de12ce26ab3"},{"evidence_id":"ev-2209a61b3d04","record_id":"850011016725","gtin":"850011016725","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: NUBEST, INC., Nguyen, Thang Huu. 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: NUBEST, INC., Nguyen, Thang Huu. 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=97609962&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-15","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registrations 7169615, 5751063","receipt_label":"USPTO · Registrations 7169615, 5751063"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:d83ba9fdf9261cdf111ab917642d0ad8d0ac4669b8a59e98366043a43d6f4e94","evidence_url":"https://lookcloser.ai/e/ev-2209a61b3d04"},{"evidence_id":"ev-42928f65ced1","record_id":"850011016725","gtin":"850011016725","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/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:a0f702765a85592a050772e97d6419ce7fd0f8d2615734e1df6bf97fa2322b60","evidence_url":"https://lookcloser.ai/e/ev-42928f65ced1"},{"evidence_id":"ev-8da35b9f364d","record_id":"850011016725","gtin":"850011016725","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/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:b97024c113bc48f838c050de919cf07a9964f583bd268e794f4546d50c46b8f1","evidence_url":"https://lookcloser.ai/e/ev-8da35b9f364d"},{"evidence_id":"ev-57903ddb5f53","record_id":"850011016725","gtin":"850011016725","claim_key":"finding:keepa-exact-listing-history-180-day-review-count-history-is-on-file","primary_source":"keepa_history","claim":"180-day review-count history is on file","bucket":"unverified","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 24 on 2025-08-13 to 25 on 2026-01-04 (net +1). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","proof":{"detail":"Exact-listing history records written-review counts from 24 on 2025-08-13 to 25 on 2026-01-04 (net +1). 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-B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:7e612683516b1dd6d567a688d98e87182abd85569205d6705f5e03cb348a1927","evidence_url":"https://lookcloser.ai/e/ev-57903ddb5f53"},{"evidence_id":"ev-365c56798a1f","record_id":"850011016725","gtin":"850011016725","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-B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:8c3af0e8ac3484b77dfaeee6e99541b45a2b2ebec20ddfc4fb8e9bdff3c22c0b","evidence_url":"https://lookcloser.ai/e/ev-365c56798a1f"},{"evidence_id":"ev-993eee047a03","record_id":"850011016725","gtin":"850011016725","claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"nih_ods_zinc","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Zinc fact sheet, PubMed search: zinc supplementation trial.","proof":{"detail":"Published sources describe how zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Zinc fact sheet, PubMed search: zinc supplementation trial."},"source_refs":[{"source":"nih_ods_zinc","source_url":"https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/","observed_at":"2026-08-15","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"zinc","receipt_label":"NIH ODS — Zinc fact sheet"},{"source":"pubmed_zinc","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=zinc+supplementation+randomized","observed_at":"2026-08-15","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:93e3186e3d8b3e104bbb1d0a5e79130d0254266f3be1f15e957e769a451ae3b5","evidence_url":"https://lookcloser.ai/e/ev-993eee047a03"},{"evidence_id":"ev-3827fac70cbd","record_id":"850011016725","gtin":"850011016725","claim_key":"claim:manufacturing","primary_source":"source_listing","claim":"“CERTIFIED”","bucket":"partly","looked":"the facility registration or certificate behind the claim","found":"“GMP-certified” describes factory processes, not what is in the bottle. The claim does not name a certifier or public register that a shopper can check.","proof":{"kind":"manufacturing","status":"partly","snippet":"…GMP CERTIFIED"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B58DCF6X","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"brand_store","source_url":"https://nubest.com/products/shopping-hair-xtra-premium-hair-growth-support-for-men-women-60-vegan-capsules","observed_at":"2026-08-15","identity_basis":"exact_gtin","scope":"brand_or_exact_product"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:3fca2116534a88195c139168d38734e89a7b24d774385ca38c622b962732c3e1","evidence_url":"https://lookcloser.ai/e/ev-3827fac70cbd"},{"evidence_id":"ev-b38d8265b65f","record_id":"850011016725","gtin":"850011016725","claim_key":"claim:efficacy","primary_source":"source_listing","claim":"“NuBest Hair Xtra Hair Growth Vitamins for Women & Men, Biotin 3000 mcg Hair Supplement with MSM, Zinc, B Vitamins, Horsetail & Hyaluronic Acid,…”","bucket":"partly","looked":"whether the ingredient doses on the label match the doses used in published research","found":"Published research exists for ingredients in this formula. 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