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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 0 on 2026-06-24 to 24 on 2026-08-12 (net +24). 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-B0H1JTVMT2","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-15","presentation_tone":"gap","evidence_id":"ev-c92b89ea2e85","evidence_url":"https://lookcloser.ai/e/ev-c92b89ea2e85","content_fingerprint":"sha256:64a673a370c0b961325e24c63c44adf4fdc97fab2b3cc679a53c016897e9f728","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 0 on 2026-06-24 to 24 on 2026-08-12 (net +24). 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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/737870255895/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"},{"id":"barcode-gtin-record-upc-valid-no-independent-record","source":"Barcode / GTIN record","class":"gap","noted":false,"severity":"info","weight":14,"headline":"UPC valid, no independent record","detail":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","proof":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","identity_basis":"gtin","status":"live","source_refs":["barcode_search","source_listing"],"source_url":"https://world.openfoodfacts.org/product/00737870255895","scope":"exact_product","inference_level":"gap","observed_at":"2026-08-15","presentation_tone":"gap","evidence_id":"ev-37a70aa4ef2f","evidence_url":"https://lookcloser.ai/e/ev-37a70aa4ef2f","content_fingerprint":"sha256:738bab3fef3523a9eb06f155ae324da851c89fd8f99d571cf4dc62a75edd293f","registry_receipts":[],"evidence":{"summary":"Check digit passes; no third-party database record found yet. 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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=77690767&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":"Registration 3789340","receipt_label":"USPTO · Registration 3789340"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:9e0821be99dd05244b70327c3d83285bced78f2a32d6315ea184bb940fdafcc7","evidence_url":"https://lookcloser.ai/e/ev-41155cbc0374"},{"evidence_id":"ev-3cfc295cbdb4","record_id":"737870255895","gtin":"737870255895","claim_key":"finding:review_velocity_gradual","primary_source":"source_listing","claim":"The review count moved gradually, not in one burst","bucket":"checks_out","looked":"LookCloser checked keepa.","found":"Written reviews rose from 0 to 24 between June 24 and August 12, 2026. The largest rise inside any single 30-day window was about 16, so the count moved in steps rather than in one burst.","proof":{"first":["2026-06-24",0],"last":["2026-08-12",24],"max_30d_review_gain":16},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:12222ae66f739346add7fc103b14c561d176928637f9ea6e62102431a922a2f3","evidence_url":"https://lookcloser.ai/e/ev-3cfc295cbdb4"},{"evidence_id":"ev-e4426e15edd2","record_id":"737870255895","gtin":"737870255895","claim_key":"finding:nih-published-research-each-ingredient-s-amount-is-disclosed","primary_source":"pubmed_nmn","claim":"Each ingredient’s amount is disclosed","bucket":"checks_out","looked":"LookCloser checked NIH / published research.","found":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.","proof":{"detail":"The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research."},"source_refs":[{"source":"pubmed_nmn","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=nicotinamide+mononucleotide+randomized+human","observed_at":"2026-08-15","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:561a3c7d2bffe2263ec743758843c1ce9b4b22daedfaedd7c59322d503a9a2f8","evidence_url":"https://lookcloser.ai/e/ev-e4426e15edd2"},{"evidence_id":"ev-6ed59dfc0453","record_id":"737870255895","gtin":"737870255895","claim_key":"finding:fda-public-records-recall-search-no-match-found-as-of-aug-15-2026","primary_source":"openfda_search","claim":"Recall search: no match found (as of Aug 15, 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:%22Life+Extension%22+OR+product_description:%22Life+Extension%22)&limit=5","observed_at":"2026-08-15","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"Life Extension","receipt_label":"FDA enforcement search · Life Extension"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:04e0f78749101842410a16b21673a9e2f9f3bbe4393e41156daf64e7b02160fc","evidence_url":"https://lookcloser.ai/e/ev-6ed59dfc0453"},{"evidence_id":"ev-c76fce08c048","record_id":"737870255895","gtin":"737870255895","claim_key":"finding:label-and-serving-arithmetic-label-math-could-not-be-verified","primary_source":"facts_panel","claim":"Label math could not be verified","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"The retained listing evidence does not establish net weight, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike.","proof":{"detail":"The retained listing evidence does not establish net weight, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:9f1fce9db2b73947769c0388cd57e274686c140a7dde2bed74173dfc70c20d1b","evidence_url":"https://lookcloser.ai/e/ev-c76fce08c048"},{"evidence_id":"ev-6e18c3151274","record_id":"737870255895","gtin":"737870255895","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/B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:1b46f6f90b79a82c572e290cce45a5f0443de6d009a8c101e49789eb8e0dba73","evidence_url":"https://lookcloser.ai/e/ev-6e18c3151274"},{"evidence_id":"ev-37a70aa4ef2f","record_id":"737870255895","gtin":"737870255895","claim_key":"finding:barcode-gtin-record-upc-valid-no-independent-record","primary_source":"barcode_search","claim":"UPC valid, no independent record","bucket":"unverified","looked":"LookCloser checked Barcode / GTIN record.","found":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","proof":{"detail":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00737870255895","observed_at":"2026-08-15","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:738bab3fef3523a9eb06f155ae324da851c89fd8f99d571cf4dc62a75edd293f","evidence_url":"https://lookcloser.ai/e/ev-37a70aa4ef2f"},{"evidence_id":"ev-c92b89ea2e85","record_id":"737870255895","gtin":"737870255895","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 0 on 2026-06-24 to 24 on 2026-08-12 (net +24). 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 0 on 2026-06-24 to 24 on 2026-08-12 (net +24). 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-B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:64a673a370c0b961325e24c63c44adf4fdc97fab2b3cc679a53c016897e9f728","evidence_url":"https://lookcloser.ai/e/ev-c92b89ea2e85"},{"evidence_id":"ev-18801f35fb76","record_id":"737870255895","gtin":"737870255895","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-B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:c7afd3998cbb806a656ebc60e53128e10690f817b2a7461932a2253c40b1cce4","evidence_url":"https://lookcloser.ai/e/ev-18801f35fb76"},{"evidence_id":"ev-9220b98550f4","record_id":"737870255895","gtin":"737870255895","claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"pubmed_nmn","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how NMN 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: nicotinamide mononucleotide human trial, ClinicalTrials.gov — NMN.","proof":{"detail":"Published sources describe how NMN 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: nicotinamide mononucleotide human trial, ClinicalTrials.gov — NMN."},"source_refs":[{"source":"pubmed_nmn","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=nicotinamide+mononucleotide+randomized+human","observed_at":"2026-08-15","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:9a234c2364fd761f8329acccdda472cd6c14c4dd66230e54389c06274e4514d3","evidence_url":"https://lookcloser.ai/e/ev-9220b98550f4"},{"evidence_id":"ev-344b51dff1fb","record_id":"737870255895","gtin":"737870255895","claim_key":"claim:clinical","primary_source":"source_listing","claim":"“formula contains a direct NAD+ precursor clinically studied to increase NAD+ levels in the”","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. The claim may rest on ingredient research rather than a trial of this product.","proof":{"kind":"clinical","status":"not-substantiated","snippet":"…This formula contains a direct NAD+ precursor clinically studied to increase NAD+ levels in the bloodstream.…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B0H1JTVMT2","observed_at":"2026-08-15","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"pubmed_nmn","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=nicotinamide+mononucleotide+randomized+human","observed_at":"2026-08-15","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-15","content_fingerprint":"sha256:919aa598aca1d1d69d0bfe0ef5e456d57d0572d2024354cba01f7bde9588dcb7","evidence_url":"https://lookcloser.ai/e/ev-344b51dff1fb"},{"evidence_id":"ev-7a411ca65557","record_id":"737870255895","gtin":"737870255895","claim_key":"claim:origin","primary_source":"source_listing","claim":"“majority of our products are non-GMO, gluten-free and manufactured in the USA with internationally sourced ingredients—and a Certificate of…”","bucket":"unverified","looked":"customs records or label filings showing where ingredients were sourced and where it was made","found":"“Made in USA” can describe only final bottling. 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The claim may rest on ingredient research rather than a trial of this product.","status":"not-substantiated"},{"kind":"origin","label":"Origin claim","snippet":"…The majority of our products are non-GMO, gluten-free and manufactured in the USA with internationally sourced ingredients—and a Certificate of Analysis is available for","looked":"customs records or label filings showing where ingredients were sourced and where it was made","found":"“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.","status":"unverified"},{"kind":"efficacy","label":"Benefit claim","snippet":"Life Extension NAD+ Cell Support NMN, Healthy Aging, Energy Support, nicotinamide mononucleotide, NAD+, 300 mg, Gluten Free, Non-GMO, Vegetarian, 90 Capsules…","looked":"whether the ingredient doses on the label match the doses used in published research","found":"Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.","status":"partly"}],"identity_basis":"source_listing_and_identity_bound_label"},"facts_panel_status":"captured","label_photo_read":{"src":"vision:claude-cli:subscription","reader_version":"2026-07-27.1","images_read":8,"raw_reads":[{"img":0,"model":"claude-cli:subscription","text":"{\"brand\": \"LIFE EXTENSION\", \"product_name\": \"NMN Nicotinamide Mononucleotide 300 mg\", \"barcode\": null, \"panel\": false, \"serving_size_text\": null, \"serving_size_g\": null, \"servings_per_container\": null, \"net_weight_text\": null, \"net_weight_g\": null, \"unit_count_text\": \"90 VEGETARIAN CAPSULES\", \"responsible_parties\": [], \"websites\": [], \"actives\": [], \"label_claims\": [\"NAD+ Cell Support*\", \"Supports Healthy NAD+ Levels*\", \"DIETARY SUPPLEMENT\"], \"certifications\": [\"GLUTEN FREE\", \"NON GMO LE CERTIFIED\"]}\n"},{"img":1,"model":"claude-cli:subscription","text":"{\"brand\": null, \"product_name\": 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