About Whole Soybeans: Soybeans are among one of the best sources of protein – so much so that often, they are used as a substitute for meat. Some of the key benefits of soybeans include their high protein content, high antioxidants, vitamins, minerals and insoluble fibre. They are known to reduce the risk of heart-related problems, can help stimulate metabolism, strengthens bones, and can even help alleviate menopause symptoms in women.