Soy Protein Isolate Powder, Non-GMO Unflavored, 1.2 lb, NOW FoodsNOW Soy Protein is a good vegetable source of high quality complete protein that is very low in fat and carbohydrates and 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 Diadzein, which have been shown to support good health through various biochemical processes.*