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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-618fbbba907b","evidence_url":"https://lookcloser.ai/e/ev-618fbbba907b","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."]},"tldr":{"assessment":"checks_confirmed","headline":"Multiple USPTO brand-owner records are shown","summary":"USPTO returned multiple live supplement-class records for the exact brand wordmark: NUTRACEUTICAL WELLNESS LLC, NUTRACEUTICAL WELLNESS, INC.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.","lead_finding_id":"uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","key_findings":[{"id":"nih-label-catalog-registered-in-nih-s-supplement-label-database-dsld","class":"ok","headline":"Registered in NIH's supplement label database (DSLD)","source":"NIH label catalog","scope":"ingredient_context"}],"documented_concern_count":1,"confirmed_check_count":1,"open_question_count":1,"usage_note":"Decision support, not medical advice or a product recommendation. Missing evidence is a gap, not a strike."},"origin_context":null,"verdict":{"state":"checks_confirmed","headline":"Multiple USPTO brand-owner records are shown","detail":"USPTO returned multiple live supplement-class records for the exact brand wordmark: NUTRACEUTICAL WELLNESS LLC, NUTRACEUTICAL WELLNESS, INC.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.","lead_finding_id":"uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","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 “Nutrafol Bio-Blend”.","meaning":"Evidence availability only. Missing public data is a gap, never a strike."},"consistency_score":7.5,"findings":[{"id":"label-and-serving-arithmetic-ingredient-amounts-are-hidden-inside-nutraf","source":"Label and serving arithmetic","class":"warn","noted":false,"severity":"warn","weight":80,"headline":"Ingredient amounts are hidden inside “Nutrafol Bio-Blend”","detail":"The panel lists “Nutrafol Bio-Blend” (490 mg) as a combined amount. A blend total can’t tell you whether any single ingredient reaches a dose used in research.","proof":"The panel lists “Nutrafol Bio-Blend” (490 mg) as a combined amount. 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/B0B61TZ676","scope":"exact_listing","inference_level":"derived","observed_at":"2026-08-07","presentation_tone":"warn","evidence_id":"ev-dfdd6a823b18","evidence_url":"https://lookcloser.ai/e/ev-dfdd6a823b18","content_fingerprint":"sha256:3a579286836e3342f0eb25298d6fb2ec0514e9ab7135e5bdd2022d01bfe908a3","registry_receipts":[],"evidence":{"summary":"The panel lists “Nutrafol Bio-Blend” (490 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/B0B61TZ676","observed_at":"2026-08-07","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B61TZ676","observed_at":"2026-08-07","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-07","looked":"LookCloser checked Label and serving arithmetic.","found":"The panel lists “Nutrafol Bio-Blend” (490 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-nutraf","report_url":"https://lookcloser.ai/p/lc-3b142d9c/full#finding-label-and-serving-arithmetic-ingredient-amounts-are-hidden-inside-nutraf"},{"id":"nih-label-catalog-registered-in-nih-s-supplement-label-database-dsld","source":"NIH label catalog","class":"ok","noted":false,"severity":"ok","weight":43,"headline":"Registered in NIH's supplement label database (DSLD)","detail":"Label #327465 “Women's Vegan” (Nutrafol), entered 2025-03-25, with the full Supplement Facts on file. Company on file: Distributor — Nutraceutical Wellness Inc., New York, NY, USA.","proof":"Label #327465 “Women's Vegan” (Nutrafol), entered 2025-03-25, with the full Supplement Facts on file. Company on file: Distributor — Nutraceutical Wellness Inc., New York, NY, USA.","identity_basis":"ingredient","status":"live","source_refs":["nih_dsld_search"],"source_url":"https://dsld.od.nih.gov/label/327465","scope":"ingredient_context","inference_level":"direct_observation","observed_at":"2026-08-07","presentation_tone":"ok","evidence_id":"ev-9dbf6c340ca5","evidence_url":"https://lookcloser.ai/e/ev-9dbf6c340ca5","content_fingerprint":"sha256:249bcecd5af2eca0610c2ad81d908c43bb1bbe31f08cf449a5c62eb415bc0493","registry_receipts":[{"source":"nih_dsld_search","url":"https://dsld.od.nih.gov/label/327465","label":"NIH DSLD · Label #327465","registry_name":"NIH DSLD","standard":null,"identifier":"Label #327465"}],"evidence":{"summary":"Label #327465 “Women's Vegan” (Nutrafol), entered 2025-03-25, with the full Supplement Facts on file. 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Company on file: Distributor — Nutraceutical Wellness Inc., New York, NY, USA."},"html_anchor":"finding-nih-label-catalog-registered-in-nih-s-supplement-label-database-dsld","report_url":"https://lookcloser.ai/p/lc-3b142d9c/full#finding-nih-label-catalog-registered-in-nih-s-supplement-label-database-dsld"},{"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. 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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":"2026-08-07","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":"2026-08-07","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-07","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/lc-3b142d9c/full#finding-nih-published-research-research-context-is-available-for-the-listed-ingr"},{"id":"fda-public-records-recall-search-no-match-found-as-of-aug-07-2026","source":"FDA public records","class":"gap","noted":false,"severity":"info","weight":19,"headline":"Recall search: no match found (as of Aug 07, 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. 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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:%22Nutrafol%22+OR+product_description:%22Nutrafol%22)&limit=5","observed_at":"2026-08-07","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"Nutrafol","receipt_label":"FDA enforcement search · Nutrafol"}],"observed_at":"2026-08-07","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-07-2026","report_url":"https://lookcloser.ai/p/lc-3b142d9c/full#finding-fda-public-records-recall-search-no-match-found-as-of-aug-07-2026"},{"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: NUTRACEUTICAL WELLNESS LLC, NUTRACEUTICAL WELLNESS, INC.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.","proof":"USPTO returned multiple live supplement-class records for the exact brand wordmark: NUTRACEUTICAL WELLNESS LLC, NUTRACEUTICAL WELLNESS, INC.. 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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=85883238&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-07","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registrations 4804467, 8064728","receipt_label":"USPTO · Registrations 4804467, 8064728"}],"observed_at":"2026-08-07","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO returned multiple live supplement-class records for the exact brand wordmark: NUTRACEUTICAL WELLNESS LLC, NUTRACEUTICAL WELLNESS, INC.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open."},"html_anchor":"finding-uspto-trademark-registry-multiple-uspto-brand-owner-records-are-shown","report_url":"https://lookcloser.ai/p/lc-3b142d9c/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 361 on 2025-12-03 to 386 on 2025-12-24 (net +25). 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 361 on 2025-12-03 to 386 on 2025-12-24 (net +25). 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-B0B61TZ676","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-07","presentation_tone":"gap","evidence_id":"ev-645efc981149","evidence_url":"https://lookcloser.ai/e/ev-645efc981149","content_fingerprint":"sha256:3719d57fcc92df392a3d2e6ca575b4c99096ad81febfe2697c12aa59799faf50","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 361 on 2025-12-03 to 386 on 2025-12-24 (net +25). 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-B0B61TZ676","observed_at":"2026-08-07","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B61TZ676","observed_at":"2026-08-07","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-07","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 361 on 2025-12-03 to 386 on 2025-12-24 (net +25). 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/lc-3b142d9c/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"}],"evidence_records":[{"evidence_id":"ev-dfdd6a823b18","record_id":"lc-3b142d9c","gtin":null,"claim_key":"finding:label-and-serving-arithmetic-ingredient-amounts-are-hidden-inside-nutraf","primary_source":"facts_panel","claim":"Ingredient amounts are hidden inside “Nutrafol Bio-Blend”","bucket":"claimed_no_support","looked":"LookCloser checked Label and serving arithmetic.","found":"The panel lists “Nutrafol Bio-Blend” (490 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 “Nutrafol Bio-Blend” (490 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/B0B61TZ676","observed_at":"2026-08-07","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B61TZ676","observed_at":"2026-08-07","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-07","content_fingerprint":"sha256:3a579286836e3342f0eb25298d6fb2ec0514e9ab7135e5bdd2022d01bfe908a3","evidence_url":"https://lookcloser.ai/e/ev-dfdd6a823b18"},{"evidence_id":"ev-9dbf6c340ca5","record_id":"lc-3b142d9c","gtin":null,"claim_key":"finding:nih-label-catalog-registered-in-nih-s-supplement-label-database-dsld","primary_source":"nih_dsld_search","claim":"Registered in NIH's supplement label database (DSLD)","bucket":"checks_out","looked":"LookCloser checked NIH label catalog.","found":"Label #327465 “Women's Vegan” (Nutrafol), entered 2025-03-25, with the full Supplement Facts on file. Company on file: Distributor — Nutraceutical Wellness Inc., New York, NY, USA.","proof":{"detail":"Label #327465 “Women's Vegan” (Nutrafol), entered 2025-03-25, with the full Supplement Facts on file. Company on file: Distributor — Nutraceutical Wellness Inc., New York, NY, USA."},"source_refs":[{"source":"nih_dsld_search","source_url":"https://dsld.od.nih.gov/label/327465","observed_at":"2026-08-07","identity_basis":"brand_product_name","scope":"product_label","registry_name":"NIH DSLD","identifier":"Label #327465","receipt_label":"NIH DSLD · Label #327465"}],"observed_at":"2026-08-07","content_fingerprint":"sha256:249bcecd5af2eca0610c2ad81d908c43bb1bbe31f08cf449a5c62eb415bc0493","evidence_url":"https://lookcloser.ai/e/ev-9dbf6c340ca5"},{"evidence_id":"ev-94b786aba8ec","record_id":"lc-3b142d9c","gtin":null,"claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-aug-07-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Aug 07, 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:%22Nutrafol%22+OR+product_description:%22Nutrafol%22)&limit=5","observed_at":"2026-08-07","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"Nutrafol","receipt_label":"FDA enforcement search · Nutrafol"}],"observed_at":"2026-08-07","content_fingerprint":"sha256:3c024cd942004a659b3beb40475e79b7eb2815b2075e56389347fb2d8f76381e","evidence_url":"https://lookcloser.ai/e/ev-94b786aba8ec"},{"evidence_id":"ev-297ea94a7835","record_id":"lc-3b142d9c","gtin":null,"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: NUTRACEUTICAL WELLNESS LLC, NUTRACEUTICAL WELLNESS, INC.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.","proof":{"detail":"USPTO returned multiple live supplement-class records for the exact brand wordmark: NUTRACEUTICAL WELLNESS LLC, NUTRACEUTICAL WELLNESS, INC.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open."},"source_refs":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=85883238&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-07","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registrations 4804467, 8064728","receipt_label":"USPTO · Registrations 4804467, 8064728"}],"observed_at":"2026-08-07","content_fingerprint":"sha256:d5abaf9bd70c160334b5f1814bd387a5a24f56fb95d243842ef68fd3d2cba0d7","evidence_url":"https://lookcloser.ai/e/ev-297ea94a7835"},{"evidence_id":"ev-4e5af0b1d1d4","record_id":"lc-3b142d9c","gtin":null,"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/B0B61TZ676","observed_at":"2026-08-07","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B61TZ676","observed_at":"2026-08-07","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-07","content_fingerprint":"sha256:b9840fd85f81aa916d582785a51d17bc6bca313f21c7df7a772b17bae0a77f8a","evidence_url":"https://lookcloser.ai/e/ev-4e5af0b1d1d4"},{"evidence_id":"ev-645efc981149","record_id":"lc-3b142d9c","gtin":null,"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 361 on 2025-12-03 to 386 on 2025-12-24 (net +25). 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 361 on 2025-12-03 to 386 on 2025-12-24 (net +25). 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-B0B61TZ676","observed_at":"2026-08-07","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B61TZ676","observed_at":"2026-08-07","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-07","content_fingerprint":"sha256:3719d57fcc92df392a3d2e6ca575b4c99096ad81febfe2697c12aa59799faf50","evidence_url":"https://lookcloser.ai/e/ev-645efc981149"},{"evidence_id":"ev-618fbbba907b","record_id":"lc-3b142d9c","gtin":null,"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":"2026-08-07","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":"2026-08-07","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-07","content_fingerprint":"sha256:0e0c1dfc28591032ada292ccc33cc1ce9a7519df56124ad18a85039f81685c73","evidence_url":"https://lookcloser.ai/e/ev-618fbbba907b"},{"evidence_id":"ev-c776eab2e7b1","record_id":"lc-3b142d9c","gtin":null,"claim_key":"claim:clinical","primary_source":"source_listing","claim":"“a clinical study, 100% of women felt improved hair strength after 3 months and 100% saw more scalp coverage after 6 months”","bucket":"claimed_no_support","looked":"a named, citable clinical study of this product or formula","found":"We found no named, citable study of this product or formula. 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Whether this product’s doses match those studies could not be confirmed.","proof":{"kind":"efficacy","status":"partly","snippet":"…1-MONTH SUPPLY: One (1) bottle of Nutrafol Women's Vegan Hair Growth Supplements that promotes visibly thicker hair growth and less shedding (19)…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0B61TZ676","observed_at":"2026-08-07","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"nih_ods_vitamin-a","source_url":"https://ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/","observed_at":"2026-08-07","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"vitamin a","receipt_label":"NIH ODS · vitamin a fact 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