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.