Potassium is an essential mineral needed by the body. It is vital for muscle activity. As an important electrolyte, it regulates nerve signals from the brain and spinal column to muscles, thus promoting healthy neuromuscular function.
Potassium also promotes proper fluid balance in the body and helps to attract nutrients into cells and support the body in combating cramp, this is why you're told to eat banana's when you're suffering from cramps - it's the potassium.
