Soya Beans contain 40 percent protein. It has the highest protein content amongst plant products. Soya is often used to replace the animal proteins in an individual's diet. Soybeans offer a wealth of benefits, including their ability to improve metabolism, help in healthy weight gain, protect heart health, and reduce the effects of menopause. They improve digestion, promote bone health, protect against birth defects, increase circulation, decrease the risk of diabetes, and generally tone up the body.