Hi...., Limit less healthy, simple carbohydrates such as soda, excess fruit juice, cake, candy, ice cream, pies, cookies and doughnuts... Consider dietary changes. Low-fat, high-carbohydrate diets may increase insulin levels, so you may want to consider a low-carbohydrate diet .. High-fiber carbohydrates include whole-grain breads and cereals, whole-wheat pasta, bulgur wheat, barley, brown rice, and beans.