Will Stone

An FDA advisory panel recently voted to green-light some popular peptides. The decision brought enormous attention to the market for these products — and concerns about the unregulated supply.

A panel of advisers to the Food and Drug Administration will meet this week to make recommendations on whether specialized pharmacies should be allowed to make some popular wellness peptides.

Marketed for longevity and wellness benefits, the unproven therapies are sold through a grey market online. Compounding pharmacies say they should be able to make them legally to meet demand.

Documents reviewing the research on peptides note lack of good evidence of efficacy or safety. Yet an FDA panel will consider easing access to them later this month.

Wellness influencers often talk about fixing a broken gut microbiome. And marketers sell tests and supplements to fix your gut health. Here's what what the evidence really shows about gut health.