Insulin is a hormone which plays a key role in the regulation of blood glucose (sugar) levels. This hormone plays other essential roles in the body’s metabolism. It regulates your body’s metabolism of carbohydrates, fats, and proteins. Sound important? That’s because it is. A lack of insulin, or an inability to adequately respond to insulin, can each lead to the development of the symptoms of diabetes. Administration of synthetic insulin in individuals with diabetes is essential in…