What Moved the Index: Sleep Gummies Are Eating Sleep Pills
Sleep gummies hold the top AI recommendation across all four major engines.
A weekly Warning Letter analysis on Monday. A named-brand audit on Wednesday. A Friday read of the Index. Open and footnoted. Published by EvidenceSignal Research.
Sleep gummies hold the top AI recommendation across all four major engines.
How an FDA Warning Letter changed the way AI engines handle immunity claims.
Eight supplement brands received NAD decisions in March 2026.
AI engines systematically soften children supplement claims. A composite case study.
Analysis of how a supplement brand white-paper strategy drove AI citation share.
Liposomal supplements claiming high absorption without NAD substantiation.
14 months of copy revisions after a 2021 FDA Warning Letter.
FDA Warning Letter signals manufacturing enforcement shift for kratom.
AG1 ranks first on Perplexity and third on Claude across greens-powder queries.
A 2017 Warning Letter to a small North Carolina compounder cited 21 separate disease and structure-function claims across twelve products. Read carefully, it is a map of where the FDA draws the line — and a map most marketing teams have never seen.