In the video “Natty Or Not: Science Explained,” Jeff Nippard unpacks the science behind identifying whether an individual’s physique results from natural training or steroid use. Drawing from research studies, physiological principles, and real-world examples, he lays out key markers—such as muscle mass limits, recovery times, and body composition—that can hint at performance enhancement. Whether you’re simply curious or looking for evidence-based insight, this video brings clarity to a highly debated topic in fitness culture.
Watch the full video here: Natty Or Not: Science Explained
Courtesy of Jeff Nippard
