The diet most often recommended for people who suffer from diabetes mellitus is one that is high in dietary fiber, especially soluble fiber, but low in fat (especially saturated fat). Patients may be encouraged to reduce their intake of carbohydrates that have a high glycemic index. However, in cases of hypoglycemia, they are advised to have food or drink that can raise blood glucose quickly, followed by a long-acting carbohydrate (such as rye bread) to prevent risk of further hypoglycemia.

Several large-scale studies have proven health benefits of nuts. Nutritional benefits range from weight loss, lowering the occurrence of Adult Type 2 diabetes to decreasing heart disease risk. Nuts are so high in protein, the USDA Food Guide Pyramid places them in the meat category. In July 2003, The U.S. Food and Drug Administration (FDA) approved

The U.S. Department of Agriculture revealed a brand-new Food Guide Pyramid. The original pyramid was unveiled in 1992, and after more than a decade of rapidly rising rates of obesity, diabetes, and heart disease, they figured it was time to make a few changes.