GNC AMP Mass XXX - Vanilla is a dietary supplement designed to increase lean muscle mass with 40% fewer sets. It contains 50g of fast-, medium-, and slow-digesting proteins, 11g of BCAA, 750 calories, carbohydrates, and healthy fats. The product also includes a Creatine Matrix Blend with 3 forms of creatine to support muscle protein synthesis and athletic performance. Micronized amino acids help fuel muscles and support key processes crucial to muscle growth and repair. This gluten-free supplement is naturally and artificially flavored with a delicious vanilla taste.