Isoflavones, are members of the flavonoid family of plant materials and are found in high concentrations in soya beans and in red clover. Lamberts® choose to use soya as a source of isoflavones as it is a widely consumed food in eastern diets. Soya isoflavones have now become popular and convenient supplement for women approaching or going through the menopause, and there is some evidence that they may contribute to maintaining bone health.