Add 1 level scoop daily to 8 - 12 oz. of water, milk, or your favorite beverage. Stir or blend. NOW Sports Soy Protein Isolate is a good vegetable source of high quality complete protein that has an excellent amino acid profile. Each 1 scoop serving typically has over 4,500 mg of branched-chain amino acids (BCAAs). Soy products, including soy protein, have naturally occurring phytoestrogens and beneficial proteins such as genistein and daidzein. Make sure you’re getting the basic building blocks of good health with high-quality NOW Sports Soy Protein Isolate. One serving of NOW Sports Soy Protein Isolate Powder provides 25 grams of soy protein.