Ostarine (MK-2866) is a versatile selective androgen receptor modulator (SARM) that is highly effective for muscle preservation and fat loss. Often used during cutting cycles, Ostarine helps maintain muscle mass while promoting fat loss, making it an excellent choice for those looking to achieve a leaner physique. In addition to its muscle-preserving properties, Ostarine also supports overall body recomposition and enhances recovery, making it a valuable tool for athletes aiming to optimize their performance.