
Melatonin Doses in Supplements vs the Data: What 71% to 347% on the Label Means
Lab analyses found gummies and tablets ranging from 71 to 347 percent of their labeled melatonin content — while pediatric ingestions rose five-fold in a decade.
Skincare and haircare examined by formulation: which actives work at which concentrations, how long results take, and where topical treatment stops.

Lab analyses found gummies and tablets ranging from 71 to 347 percent of their labeled melatonin content — while pediatric ingestions rose five-fold in a decade.

The FDA does not approve supplements before sale — which makes the certification programs, and their very different scopes, the only outside check many products get.

The strongest data sits in antibiotic-associated diarrhea; the weakest sits in the broad immune and mood claims printed across the rest of the shelf.

A 2021 meta-analysis of 19 trials found measurable gains in hydration and elasticity — but nearly every trial tested a manufacturer's own peptide powder for eight to twelve weeks.

VITAL, REDUCE-IT, and STRENGTH enrolled more than 40,000 people between them — and their verdicts on fish-oil capsules diverged in ways that matter on both sides of the pharmacy counter.

The adaptogen's trial record is real but small and extract-specific — and a 2023 regulatory suspension in Denmark put liver safety on the label discussion.