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.
Calcium Deficiency: Lack of calcium in your diet or calcium deficiency in the body can also cause foot cramps. Potassium Deficiency: Potassium helps in conducting the electrical impulse in the body and maintains the smooth muscle contraction. Low potassium levels cause severe cramps in legs and hands.