NOW Soy Protein Isolate is a good vegetable source of high quality complete protein that contains an excellent amino acid profile. Soy products, including Soy Protein, are high in phytoestrogens, which may positively support natural estrogen levels in women. Soy Protein also provides beneficial proteins such as Genistein and Daidzein, which have been shown to support good health through various biochemical processes. Make sure you're getting the basic building blocks of good health with high quality Soy Protein Isolate from NOW. Diets low in saturated fat and cholesterol that include 25 grams of soy protein a day may reduce the risk of heart disease. One serving of NOW Soy Protein Isolate Powder provides 25 grams of soy protein.