Also known as: Testolone
RAD-140, also known as Testolone, is a high-anabolic Selective Androgen Receptor Modulator (SARM). It belongs to the category of anabolic and myostatin peptides, designed to selectively target androgen receptors in muscle and bone tissues. RAD-140 has garnered attention for its potential to enhance muscle growth and improve physical performance without the side effects commonly associated with traditional anabolic steroids.
RAD-140 operates by selectively binding to androgen receptors, primarily in muscle and bone tissues. This selective action promotes anabolic activity, leading to increased protein synthesis and muscle mass. Unlike anabolic steroids, which can affect multiple tissues and lead to unwanted side effects, RAD-140 aims to provide the benefits of muscle growth while minimizing adverse reactions.
The mechanism of action involves the activation of androgen receptors, which triggers a cascade of biological processes that enhance muscle hypertrophy and strength. This selectivity allows RAD-140 to potentially provide the benefits of testosterone without the same level of risk associated with hormone replacement therapies.
RAD-140 is a high-anabolic SARM that selectively targets androgen receptors to promote muscle growth and enhance physical performance. Its unique mechanism of action and potential benefits make it a subject of interest in research related to anabolic and myostatin peptides.
Last updated: Feb 25, 2026