NATURAL FACTORS Grass Fed Whey Protein (Double Chocolate - 37 Servings)WHEY FACTORS Grass Fed Whey Protein 1 Kilogram(s) Builds and maintains lean muscle mass Enhances the immune system by stimulating antibody production and phagocytosis Aids in weight loss by increasing satiety Increases production of beneficial antioxidant enzyme glutathione (GSH) Considered the gold standard for athletes and the physically active, it is well known that whey protein has the highest biological value, a measurement of how well a protein