Black soybean is the black seed of Glycinemax (L.)Merr, high protein and low calorific, rich in vitamins, 18 kinds of amino acid, 19 kinds of oleic acid and various microelements, it can lower cholesterol, soften vascular, moisten skin and delay consenescence etc.; the content of crude fiber of black soybean is up to 4%, so it can promote digestion and prevent constipation; with low glycemic index, only 18, black soybean is suitable for people with diabetes and those who want to control blood glucose, it's the best health food