Performance Weight Gainer delivers 700 high-quality calories from a scientifically formulated blend of Protein, Complex Carbohydrates, and unique fats designed to help support lean muscle and kick-start your muscle building routine. Each serving provides 50 grams of high-quality ...Performance Weight Gainer delivers 700 high-quality calories from a scientifically formulated blend of Protein, Complex Carbohydrates, and unique fats designed to help support lean muscle and kick-start your muscle building routine. Each serving provides 50 grams of high-quality protein from a unique blend of slow, medium, and fast digesting sources designed to digest and release at sustained intervals throughout the day to ensure your muscles get the amino acids they need to help muscle breakdown and fuel recovery.