Supplements marketing laws
Marketing laws filed under Supplements. Currency-of-record reference for founders — not legal advice.
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California Prop 65 — Supplement Warning Advisory
California's Safe Drinking Water and Toxic Enforcement Act (Prop 65) requires a warning when a product sold in California can expose consumers to a listed chemical. Some supplements — particularly herbals — can carry…
FDA — Disease-Treatment & Drug-Classification Claims
Under the federal Food, Drug, and Cosmetic Act, a product that claims to treat, cure, prevent, or diagnose a disease is legally classified as a drug — which requires FDA approval. Dietary supplements are not drugs,…
FDA — DSHEA Structure-Function Claims & Disclaimer
The Dietary Supplement Health and Education Act (DSHEA) permits supplements to make "structure-function" claims — describing how an ingredient affects the body's structure or function ("supports immune function"). When…
FTC — Endorsement & Testimonial Substantiation (§255 Guides)
The FTC Endorsement & Testimonial Guides (16 CFR §255) require that advertising claims based on customer testimonials be substantiated. Quantified results ("lost 20 lbs"), time-bound results ("in 30 days"), and…
FTC — Deceptive Acts & Efficacy Substantiation (§5)
FTC §5 prohibits unfair or deceptive acts in advertising. For efficacy claims this means an advertiser must hold "competent and reliable scientific evidence" before making the claim. "Clinically proven" /…