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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."},"html_anchor":"finding-keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","report_url":"https://lookcloser.ai/p/lc-a915226b#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","severity":"info","weight":16,"headline":"180-day review-count history is on file","detail":"Exact-listing history records written-review counts from 1,984 on 2026-03-15 to 2,273 on 2026-04-14 (net +289). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","proof":"Exact-listing history records written-review counts from 1,984 on 2026-03-15 to 2,273 on 2026-04-14 (net +289). 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/#!api","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-21","presentation_tone":"gap","evidence_id":"ev-0f1f77be21df","evidence_url":"https://lookcloser.ai/e/ev-0f1f77be21df","content_fingerprint":"sha256:0d5fb41441f98191582615aac9e53fdae783ee628448727c70319705adab75e8","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 1,984 on 2026-03-15 to 2,273 on 2026-04-14 (net +289). 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This is a LookCloser processing gap, not evidence that the brand withheld the numbers; dose arithmetic is withheld until the panel is re-read."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B006P536E6","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B006P536E6","observed_at":"2026-07-21","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:8bf2f0c9293a2e377a31813aa427750f4c9f137a99a0ae7a1c2414b4a54dc691","evidence_url":"https://lookcloser.ai/e/ev-8ebfb98f5c26"},{"evidence_id":"ev-df4ffe978641","record_id":"lc-a915226b","gtin":null,"claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"nih_ods_magnesium","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how magnesium have been studied. 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Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation."},"source_refs":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-21","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-21","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-21","content_fingerprint":"sha256:2ac4d6b982b5748618fb6bb936f64fdebe1c9665261dfa2e0a1a1e26610425c1","evidence_url":"https://lookcloser.ai/e/ev-df4ffe978641"},{"evidence_id":"ev-ef8094b96174","record_id":"lc-a915226b","gtin":null,"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 Life Extension Foundation, Inc. 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