S-4, also known as Andarine, is a selective androgen receptor modulator (SARM) that has been studied for its tissue-selective anabolic properties. It is designed to target specific androgen receptors in skeletal muscles while minimizing interactions with other organs in the body. This targeted mechanism of action is believed to offer potential benefits for individuals seeking muscle gain and improved physical performance.
- Muscle Hypertrophy: S-4 (Andarine) is thought to promote muscle hypertrophy, leading to an increase in muscle size and strength. By selectively binding to androgen receptors in muscle tissues, it may stimulate protein synthesis, which is crucial for muscle repair and growth.
- Enhanced Strength: Users of S-4 often report improvements in strength levels, allowing them to engage in more demanding workouts and resistance training. This enhanced strength can lead to more effective muscle-building exercises.
- Body Composition: While primarily sought after for its muscle-enhancing benefits, S-4 (Andarine) is believed to contribute to a more favorable body composition. Some users claim it may support a reduction in body fat, leading to a leaner and more defined physique when combined with appropriate nutrition and exercise.
- Potential Joint Support: The anabolic effects of S-4 on muscle tissue may also offer secondary benefits for joint support. Strengthened muscles surrounding joints can provide better stability and potentially reduce the risk of joint-related injuries during physical activities.