Norepinephrine performs its actions on the target cell by binding to and activating adrenergic receptors. The target cell expression of different types of receptors determines the ultimate cellular effect, and thus norepinephrine has
While specific vitamins and minerals do not cause muscle cramps, a deficiency in potassium or magnesium can lead to sports-related leg cramping, according to Everyday Health. Additionally, a deficiency in vitamins E, A, and B causes cramping due to reduced circulation, as explained WeightTraining.com. Keep Learning.
Dr. Oz, Dr. Weil, the Mayo Clinic, and other leading authorities, magnesium deficiency is the major hidden cause of night time leg cramps (including muscle cramps throughout the entire body), and no prescription medication can fix it. In fact, 78% of leg cramp sufferers have a severe magnesium deficiency.