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.
Poor circulation is also often present when leg cramping is a problem. There are vitamins that can help leg cramps as well as minerals that may be necessary to prevent cramping. Through a healthy, well-balanced diet and the use of supplements if necessary, this painful problem can improve within a week or two.