How do SARMs Work? Understanding Their Effects on Muscle Growth and Performance

How do SARMs work? They bind to androgen receptors in your body. They do it selectively, affecting only specific tissues (muscle and bone). In this article, we explore this topic more deeply – read on to find out more!

Last Update: 11.08.2026

Questions answered in this article:

How do SARMs work?
Do different SARMs work differently?

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How Do SARMs Work?

Selective androgen receptor modulators (SARMs) bind to selected androgen receptors in your body with anabolic, but little androgenic activity.[1] The word selective is key in this case.

On the surface, SARMs work like anabolic and androgenic steroids. The main difference is that, unlike these two, they do not broadly interact with androgen receptors. Instead, they target specifically the receptors in muscle and bone tissues. As a result, they may provide the same or even improved benefits, without the same amount of side effects (though this does not mean they are side-effect-free).

Are SARMs Precisely Effective?

No, SARMs aren’t precisely effective. While they are generally considered to have a more targeted mechanism, they may still interact with other tissues to some extent, and their effects can vary depending on the compound, dosage, and individual response.

Do Different SARMs Work Differently?

The mechanism for different SARMs remains the same – they bind to the same receptors. However, they differ in the type of binding and their own chemical structure, which impacts the end effect. [2]

Conclusion

Knowing how SARMs work, we may conclude that they, in theory, should be less harmful and more potent than traditional steroids. Nevertheless, more research is required to fully understand their potential and risks.

Sources:

[1] Hoofnagle JH. Selective Androgen Receptor Modulators. [Updated 2025 Sep 20]. In: LiverTox: Clinical and Research Information on Drug-Induced Liver Injury [Internet]. Bethesda (MD): National Institute of Diabetes and Digestive and Kidney Diseases; 2012-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK619971/

[2] Ponnusamy, S., Sullivan, R. D., Thiyagarajan, T., Tillmann, H., Getzenberg, R. H., & Narayanan, R. (2017). Tissue Selective Androgen Receptor Modulators (SARMs) Increase Pelvic Floor Muscle Mass in Ovariectomized Mice. Journal of cellular biochemistry, 118(3), 640–646. https://doi.org/10.1002/jcb.25751

FAQs About How SARMs Work

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Selective Androgen Receptor Modulators (SARMs) work by binding to selected androgen receptors in your body. Unlike traditional anabolic and androgenic steroids that broadly interact with receptors throughout the entire body, SARMs are designed to specifically target receptors located in muscle and bone tissues. This highly selective process provides strong anabolic benefits with very little androgenic activity, theoretically allowing users to experience similar or improved results with fewer side effects.

No, SARMs are not perfectly precise. Even though they are highly regarded for their targeted mechanism of action, they can still interact with other tissues in the body to a certain extent. The actual precision and the overall effects can vary significantly depending on the specific chemical compound, the administered dosage, and how an individual’s body uniquely responds to the supplement.

The foundational mechanism remains exactly the same across the board, as all SARMs work by binding to androgen receptors. However, they do produce entirely different end effects. This variation happens because each SARM possesses its own unique chemical structure and a distinct type of binding affinity. These structural differences ultimately dictate how the compound influences the body and what specific physical outcomes it will yield.

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