Isoflavones are naturally occurring plant compounds that are particularly concentrated in soybeans.&ampnbsp; Genistein, Daidzein and Glycitein are the major isoflavones found in soybeans.&ampnbsp; NOW&ampreg; Extra Strength Soy Isoflavones Vcaps&ampreg; have been extracted through a proprietary process that results in the highest natural levels of Genistein - a quantum leap over most soy isoflavone products.