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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-B07KJR4VB8","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-5408798fb9e2","evidence_url":"https://lookcloser.ai/e/ev-5408798fb9e2","content_fingerprint":"sha256:d4dd91edd63898ab4fddf3623b2b4c213c4c03438d0666df080b7c8f7f0d6227","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-B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","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/850015311918/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 101 on 2026-06-18 to 103 on 2026-08-04 (net +2). 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 101 on 2026-06-18 to 103 on 2026-08-04 (net +2). 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-B07KJR4VB8","scope":"exact_listing","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-0ed60a949797","evidence_url":"https://lookcloser.ai/e/ev-0ed60a949797","content_fingerprint":"sha256:a6ffd1305c7b3873c9e0e684e0ff383bcdc4479173b9af799bb2596395f9f892","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 101 on 2026-06-18 to 103 on 2026-08-04 (net +2). 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-B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 101 on 2026-06-18 to 103 on 2026-08-04 (net +2). 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/850015311918/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/00850015311918","scope":"exact_product","inference_level":"gap","observed_at":"2026-08-14","presentation_tone":"gap","evidence_id":"ev-730c74667be0","evidence_url":"https://lookcloser.ai/e/ev-730c74667be0","content_fingerprint":"sha256:7684720dc34cbcc88fcc5f823f73fd5b92cde800721e11ec280966130f1e804b","registry_receipts":[],"evidence":{"summary":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.","source_refs":["barcode_search","source_listing"],"source_records":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00850015311918","observed_at":"2026-08-14","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","looked":"LookCloser checked Barcode / GTIN record.","found":"Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike."},"html_anchor":"finding-barcode-gtin-record-upc-valid-no-independent-record","report_url":"https://lookcloser.ai/p/850015311918/full#finding-barcode-gtin-record-upc-valid-no-independent-record"}],"evidence_records":[{"evidence_id":"ev-5ff844db3951","record_id":"850015311918","gtin":"850015311918","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 ChromaDex Inc. (CORPORATION) in CALIFORNIA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","proof":{"detail":"USPTO lists ChromaDex Inc. (CORPORATION) in CALIFORNIA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product."},"source_refs":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=87497901&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-08-14","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5370103","receipt_label":"USPTO · Registration 5370103"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:ba8f0163d2875d0dd825744f248a1359afac5be7da2dbce1b45c09af5069d6db","evidence_url":"https://lookcloser.ai/e/ev-5ff844db3951"},{"evidence_id":"ev-ea5fa48ace10","record_id":"850015311918","gtin":"850015311918","claim_key":"finding:nih-published-research-each-ingredient-s-amount-is-disclosed","primary_source":"nih_ods_fiber","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":"nih_ods_fiber","source_url":"https://ods.od.nih.gov/factsheets/list-all/","observed_at":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"prebiotic fiber (inulin-type)","receipt_label":"NIH ODS — Fiber overview (MVMS context)"},{"source":"pubmed_fiber","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=inulin+prebiotic+randomized+trial","observed_at":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:4b28d1e9c2d46f4e573baf20f6e27bac3a0194098f60a73963e57200fea7bc7d","evidence_url":"https://lookcloser.ai/e/ev-ea5fa48ace10"},{"evidence_id":"ev-3d35e42f7b9f","record_id":"850015311918","gtin":"850015311918","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:%22TRU+NIAGEN%22+OR+product_description:%22TRU+NIAGEN%22)&limit=5","observed_at":"2026-08-14","identity_basis":"search_only","scope":"product_or_brand","registry_name":"FDA enforcement","identifier":"TRU NIAGEN","receipt_label":"FDA enforcement search · TRU NIAGEN"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:f18abda4a401b5d1f791841ad75270074f34cfe0ca3646d9ca7d090393705ebc","evidence_url":"https://lookcloser.ai/e/ev-3d35e42f7b9f"},{"evidence_id":"ev-60419199d17f","record_id":"850015311918","gtin":"850015311918","claim_key":"finding:label-and-serving-arithmetic-panel-arithmetic-needs-confirmation","primary_source":"facts_panel","claim":"Panel arithmetic needs confirmation","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"The listing-image panel produced 4,300 mg across 2 actives for an ≈4,000 mg serving. That cannot be reconciled; the physical label or another exact filed document must settle it.","proof":{"detail":"The listing-image panel produced 4,300 mg across 2 actives for an ≈4,000 mg serving. That cannot be reconciled; the physical label or another exact filed document must settle it."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:0eb34371a3b72f3e4a2c0e1150bea974eda875564ab4c456beb1d8b09debeefd","evidence_url":"https://lookcloser.ai/e/ev-60419199d17f"},{"evidence_id":"ev-975ca2490417","record_id":"850015311918","gtin":"850015311918","claim_key":"finding:label-and-serving-arithmetic-photo-read-pack-math-is-internally-consiste","primary_source":"facts_panel","claim":"Photo-read pack math is internally consistent","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"30 servings × 4 g = 120 g, matching the printed net weight 120 g (NET WT. 4.2 OZ (120g)). This checks agreement within the photo read; it is not an independent contents test.","proof":{"detail":"30 servings × 4 g = 120 g, matching the printed net weight 120 g (NET WT. 4.2 OZ (120g)). This checks agreement within the photo read; it is not an independent contents test."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:ea0d5404651ddaad72a93cb6c320db371d7fca0ce2a8193fccde9de85c8a4325","evidence_url":"https://lookcloser.ai/e/ev-975ca2490417"},{"evidence_id":"ev-9f556e2a3514","record_id":"850015311918","gtin":"850015311918","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/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:2cbbbac51c62c42cefc2d166b5658b1a26c80814325e2d4a19a8989f67fe8699","evidence_url":"https://lookcloser.ai/e/ev-9f556e2a3514"},{"evidence_id":"ev-730c74667be0","record_id":"850015311918","gtin":"850015311918","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/00850015311918","observed_at":"2026-08-14","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:7684720dc34cbcc88fcc5f823f73fd5b92cde800721e11ec280966130f1e804b","evidence_url":"https://lookcloser.ai/e/ev-730c74667be0"},{"evidence_id":"ev-0ed60a949797","record_id":"850015311918","gtin":"850015311918","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 101 on 2026-06-18 to 103 on 2026-08-04 (net +2). 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 101 on 2026-06-18 to 103 on 2026-08-04 (net +2). 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-B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:a6ffd1305c7b3873c9e0e684e0ff383bcdc4479173b9af799bb2596395f9f892","evidence_url":"https://lookcloser.ai/e/ev-0ed60a949797"},{"evidence_id":"ev-5408798fb9e2","record_id":"850015311918","gtin":"850015311918","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-B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:d4dd91edd63898ab4fddf3623b2b4c213c4c03438d0666df080b7c8f7f0d6227","evidence_url":"https://lookcloser.ai/e/ev-5408798fb9e2"},{"evidence_id":"ev-a44c6e522429","record_id":"850015311918","gtin":"850015311918","claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"nih_ods_fiber","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how prebiotic fiber 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 — Fiber overview (MVMS context), PubMed search: inulin prebiotic randomized trial.","proof":{"detail":"Published sources describe how prebiotic fiber 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 — Fiber overview (MVMS context), PubMed search: inulin prebiotic randomized trial."},"source_refs":[{"source":"nih_ods_fiber","source_url":"https://ods.od.nih.gov/factsheets/list-all/","observed_at":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"prebiotic fiber (inulin-type)","receipt_label":"NIH ODS — Fiber overview (MVMS context)"},{"source":"pubmed_fiber","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=inulin+prebiotic+randomized+trial","observed_at":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:2dfb41c90855047b58f2bbe7886c3b57501be2c83a5eecefde5391c2c8cd30aa","evidence_url":"https://lookcloser.ai/e/ev-a44c6e522429"},{"evidence_id":"ev-9da1083fb455","record_id":"850015311918","gtin":"850015311918","claim_key":"claim:clinical","primary_source":"source_listing","claim":"“studied.”","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":"…Clinically studied.…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"nih_ods_fiber","source_url":"https://ods.od.nih.gov/factsheets/list-all/","observed_at":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"prebiotic fiber (inulin-type)","receipt_label":"NIH ODS — Fiber overview (MVMS context)"},{"source":"pubmed_fiber","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=inulin+prebiotic+randomized+trial","observed_at":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:7cdffb115afeb633262fbbe5722ed41dfc1c1947c2794c0ca8cdb09fadfb78c6","evidence_url":"https://lookcloser.ai/e/ev-9da1083fb455"},{"evidence_id":"ev-30f7c21233db","record_id":"850015311918","gtin":"850015311918","claim_key":"claim:efficacy","primary_source":"source_listing","claim":"“daily, on-the-go NAD+”","bucket":"partly","looked":"whether the ingredient doses on the label match the doses used in published research","found":"Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.","proof":{"kind":"efficacy","status":"partly","snippet":"…Your daily, on-the-go NAD+ boost…"},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B07KJR4VB8","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"nih_ods_fiber","source_url":"https://ods.od.nih.gov/factsheets/list-all/","observed_at":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"prebiotic fiber (inulin-type)","receipt_label":"NIH ODS — Fiber overview (MVMS context)"},{"source":"pubmed_fiber","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=inulin+prebiotic+randomized+trial","observed_at":"2026-08-14","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:0d1590e07080c841c313b433b976811bbd2bb4455fb845a4c19b1759ccafa050","evidence_url":"https://lookcloser.ai/e/ev-30f7c21233db"}],"label_math":{"verdict":"UNKNOWN","claimed_subject":null,"claimed_mg":null,"serving_mass_mg":4000,"percent_of_serving":null,"serving_mass_source":"serving size printed on the packaging (photo-read from listing images)","ambiguity":null,"declared_actives_total_mg":4300,"headline_claim_mg":null,"headline_subject":null,"subject_actual_mg":null},"listing_claims":{"dose_claims":[],"testing":{"claimed":false,"named_lab_or_certifier":false},"container":{"units":null,"servings":null,"pack_count":1,"units_conflict":false},"marketing_text":["Your daily, on-the-go NAD+ boost","300mg NIAGEN PER SERVING","1 STICK PACK PER DAY","30 DAY SUPPLY","Niagen 300mg NICOTINAMIDE RIBOSIDE (NR)","30 STICK PACKS PER BOX","Clinically studied.","Scientifically researched.","Backed by world-leading researchers.","Unmatched scientific precision"],"certification_text":["VEGETARIAN","NSF Certified Sport","NSF","GRAS Generally Recognized As Safe","Vegetarian"],"claim_checks":[{"kind":"clinical","label":"Clinical-evidence claim","snippet":"…Clinically studied.…","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.","status":"not-substantiated"},{"kind":"efficacy","label":"Benefit claim","snippet":"…Your daily, on-the-go NAD+ boost…","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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