1.Foods rich in B vitamins are: coarse grains, dry beans, eggs, green leafy vegetables; 2.Foods rich in vitamin C are: fresh vegetables, fruits; 3.Foods rich in calcium are: milk, soy products, seafood; 4.Sodium salt: should be less than 6 grams/day; 5.Foods rich in chromium are: chromium is involved in the composition of glucose tolerance factor, commonly found in mushrooms, beef, coarse grains; 6.Foods rich in zinc are: zinc is related to insulin activity, commonly found in coarse grains, soy products, seafood, red meat.