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No exact-listing count history was available, so no review-pattern claim is made."},"source_refs":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B09R2CJMY3","observed_at":"2026-08-14","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B09R2CJMY3","observed_at":"2026-08-14","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-08-14","content_fingerprint":"sha256:a38faeef46988142e0f11b6fa51b42e84826ac266526fc778376ea8f6548717d","evidence_url":"https://lookcloser.ai/e/ev-9a340994752f"},{"evidence_id":"ev-5ae0cdc7455d","record_id":"021245412892","gtin":"021245412892","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 magnesium, 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 — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":{"detail":"Published sources describe how magnesium, prebiotic fiber have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. 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