GNC Pro Performance Weight Gainer 2200 Gold is a high-calorie, low-fat powdered drink mix designed for individuals looking to gain weight quickly. It provides both calories and essential nutrients needed for weight gain. The product contains a patented complex of enzymes, Aminogen and Carbogen, which help improve the absorption of proteins and carbohydrates. Each serving delivers 50 grams of protein and 404 grams of carbohydrates, along with essential amino acids, vitamins, and minerals. It is enriched with BCAA (branched chain essential amino acids) and offers a delicious vanilla flavor.