24 G Protein With BCAAs Unflavored NOW Whey Protein Concentrate 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 Concentrate 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. This product is sold by weight not volume. Natural color variation may occur in this product.