The hormone insulin is an important part of the body's metabolic system. Without the hormone insulin, cells will lack energy and must find a replacement source. Insulin is a natural hormone produced by the pancreas. When we eat, the pancreas releases the hormone insulin which allows the body to convert glucose into energy and spread throughout the body. This one hormone also helps the body store energy. Relationship of Blood Sugar with Insulin Insulin helps control blood sugar (glucose) levels in the body. You do this by giving signals to fat cells, muscles, and liver to take glucose from the blood and convert it to glycogen (muscle sugar) in muscle cells, triglycerides in fat cells, and both in liver cells. This is a form of energy source that is stored by the body. As long as the pancreas produces enough insulin and the body can use it properly, blood sugar levels will always be in a healthy range. Because in essence, too much or too little glucose level is not good for he