One item in its long list of sports nutrition supplements, Prolab's vanilla-flavoured Whey Protein is enhanced with glutamine peptides, and when used to supplement a training program and proper diet, it can help in the development of lean muscle mass. It's lactose- and aspartame-free, with each 32g serving providing 24g of protein, 3g of carbohydrate, and 2g of fat. Promising easy mixing with water or juice and ready absorption by the body once ingested, Prolab Whey Protein comes in a 2-lb. (907.2g) can, 28 servings, and retails for $39.99. www.prolab.com