Post JYM Active Matrix is a post-workout supplement designed to aid in muscle recovery and growth. It contains a blend of BCAAs, glutamine, creatine HCL, beta-alanine, and other scientifically studied ingredients. The Mandarin Orange flavor offers a delicious taste with only 45 calories per serving. This product is part of the JYM SYSTEM, which includes Pre JYM and Pro JYM, providing comprehensive nutrition and supplement needs around workouts. The powder is easy to mix with water and is suitable for both men and women.