How many pounds of muscle you can gain while on RAD 140 and other SARMs will depend on a few things. Each SARM will affect your muscle tissue differently, and some are better for fat loss while others are better for muscle growth. \r \rThat being said, you can expect to pack on 10-15 pounds of lean body mass from a cycle of most SARMs out there, although with bulking SARMs like MK 677 or YK11 you might gain more. Read more