Fenugreek - Two studies in the European Journal of Clinical Nutrition reported that fenugreek improves glucose tolerance in both Type I and Type II diabetes. These fibers, however, work best if they are present in carbohydrate-containing meals. Vitamins Vitamin B-complex may improve the metabolism of glucose. Vitamin B12 can help to prevent diabetic neuropathy. Vitamin A is an important antioxidant.
Vitamin E is an important antioxidant.
Minerals Chromium picolinate can potentially improve insulin's efficiency. Zinc deficiency may be associated with diabetes.