Diabetes: According to the American Diabetes Association, limes and other citrus fruits are considered a diabetes super food for a number of reasons. Mainly, the high levels of soluble fiber found in limes make it an ideal dietary aid to help regulate the body’s absorption of sugar into the bloodstream, reducing the occurrence of blood sugar spikes that are a serious risk to to diabetic patients. Also, limes and other citrus fruits have a low glycemic index, which means that they will not cause unexpected spikes in glucose levels, in addition to the benefits of soluble fiber’s effect.