Jarrow FORMULAS WHEY PROTEIN is a 100% natural protein concentrate of whey; from cows not treated with growth hormone (rBST); and is ultrafiltered to be low in fat; lactose and carbohydrates.WHEY PROTEIN is a rich natural source of BCAAs (Isoleucine; Leucine and Valine). Each scoop (27 grams) of WHEY PROTEIN provides a total of 4 grams of BCAAs. No other source of protein provides as much of the BCAAs as whey. WHEY PROTEIN is extremely rich in essential amino acids; ranking it with egg as one of the highest quality protein sources available.WHEY ADVANTAGES 100% Natural. No Added Hormones. Nothing artificial: No artificial flavors; sweeteners or colors. Provides 4 g (4;000 mg) of branched chain amino acids (BCAAs) per serving. Keep out of the reach of children. Store in a cool; dry place.