Soybean stew pig's feet is actually not nutritious: soybean dietary fiber in the aldose residues can be synthesized with pig's feet in the mineral chelates and interfere with or reduce the body's absorption of these elements. Peanut stew pig's feet Nutrition is not fooled: pig's feet are rich in collagen, can make the skin elastic, full of luster; peanut blood can make the complexion red.