If you’re researching tesamorelin—whether for medical needs or fitness goals—one common question arises: Is tesamorelin a steroid? The short answer is no. Tesamorelin belongs to a distinct class of compounds called growth hormone-releasing peptides (GHRPs), and understanding its differences from steroids is critical for safe, informed use. Below, we break down what tesamorelin is, how it works, why it’s not a steroid, and its approved uses—all to help you separate fact from misconception.

Tesamorelin is a prescription medication that stimulates the body’s natural production of growth hormone. It was originally developed to help reduce excess abdominal fat in adults with HIV-associated lipodystrophy, but its mechanism of action has drawn attention for broader research into metabolic health, body composition, and hormone balance. Understanding how Tesamorelin works helps patients use it safely and effectively while appreciating the science behind its benefits.