YK-11 is a powerful myostatin inhibitor and selective androgen receptor modulator (SARM) designed to promote extreme muscle growth and strength development. Unlike traditional SARMs, YK-11 blocks myostatin, a natural protein that limits muscle growth—allowing the body to build muscle at a significantly accelerated rate.

Its dual-action profile makes it one of the most advanced enhancement compounds for rapid lean mass development, improved strength, and enhanced muscular definition.

Benefits of YK-11

1. Extreme Muscle Growth
Inhibits myostatin to unlock the body’s maximum muscle-building potential, supporting rapid, noticeable hypertrophy.

2. Increased Strength & Power
Significantly boosts lifting strength, explosive power, and athletic performance within a short cycle.

3. Enhanced Muscle Hardness
Creates a dense, defined, and aesthetic muscular appearance by increasing intracellular muscle fiber activity.

4. Faster Muscle Recovery
Supports quicker repair of muscle tissues after intense workouts, allowing more training volume and frequency.

5. Improved Lean Muscle Retention
Helps preserve muscle mass even during low-calorie or cutting phases, maintaining strength and fullness.