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Glucagon: The Body’s Natural Defense Against Low Blood Sugar
Glucagon is a vital hormone that plays a quiet but powerful role in maintaining the body’s energy balance. While insulin often receives the most attention in discussions about blood sugar control, glucagon works behind the scenes as insulin’s natural counterpart. Together, these two hormones ensure that the body has a steady supply of glucose, especially during times of fasting, physical activity, or stress.
Produced by specialized alpha cells in the pancreas, glucagon is released when blood glucose levels fall too low. Its primary job is to signal the liver to release stored glucose into the bloodstream. This process, known as glycogenolysis, helps prevent dangerous drops in blood sugar that can affect brain function and overall physical performance. Without glucagon, the body would struggle to respond effectively to periods without food.
One of glucagon’s most important roles is supporting the brain. The…