With BCAAs 25 G Protein NOW® Whey Protein Isolate is a high quality protein that is both bioavailable and easily digested. Whey protein has naturally occurring branched-chain amino acids (BCAAs). NOW® Whey Protein Isolate is ideal for active individuals. Whey protein is considered to have the highest biological value (BV) of any protein source - superior in essential amino acid content to beef, milk, casein or soy. Natural color variation may occur in this product. This product is sold by weight not volume.