Glucagon is a hormone produced by the pancreas that plays a key role in regulating blood sugar levels. It is released when blood sugar is low and works to increase glucose availability in the bloodstream. This hormone is essential for maintaining energy levels, especially during times of fasting or between meals.
Understanding glucagon is important for health because it helps prevent hypoglycemia, a condition where blood sugar levels drop too low. In people with diabetes, glucagon can be vital in managing blood sugar levels, especially when insulin is not effectively controlling glucose levels. It acts as a counter-regulatory hormone to insulin, which lowers blood sugar.
Glucagon functions in the body by signaling the liver to convert stored glycogen into glucose, which is then released into the bloodstream. This process helps ensure that the body has enough energy to function properly. Glucagon also stimulates the production of glucose from other sources, such as amino acids, a process known as gluconeogenesis.
In summary, glucagon is a crucial hormone for blood sugar regulation and energy balance. Its role becomes especially significant during periods of low blood sugar, ensuring that the body has the fuel it needs to operate effectively.