Peptides are suddenly everywhere — from wellness clinics to TikTok feeds — and they’re being marketed as the next frontier of fat loss, anti-aging, muscle growth, healing, and “optimization.” But what actually are they… and how much of the hype is backed by science?

In this episode, we unpack the exploding peptide craze: how compounds once limited to underground bodybuilding circles became mainstream through influencers, biohackers, and the massive success of GLP-1 drugs like Ozempic and Wegovy. We break down the difference between FDA-approved peptides and the growing gray market of experimental injections being sold online as “research grade.”

You’ll hear how peptides work inside the body, why some have revolutionized medicine, and why others remain largely untested in humans despite bold promises surrounding longevity ...