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.
Medical conditions such as diabetes can cause foot cramps due to the lack of oxygen supplied to the feet. It is very important that you eat properly and get enough vitamins and minerals. A lack of potassium in your system can cause cramps in your feet and legs. Vitamin D is also important to healthy feet and bones.