Soybeans are high in protein and a decent source of both carbs and fat. They are a rich source of various vitamins, minerals, and beneficial plant compounds, such as isoflavones. For this reason, regular soybean intake may alleviate the symptoms of menopause and reduce your risk of prostate and breast cancer. Soybeans contain antioxidants and phytonutrients that are linked to various health benefits Soybeans contain a fair amount of both soluble and insoluble fiber. The insoluble fibers are mainly alpha-galactosides, which may cause flatulence and diarrhea in sensitive individuals . Alpha-galactosidase belong to a class of fibers called FODMAPs, which may exacerbate the symptoms of irritable bowel syndrome (IBS)