Foot and leg cramps may be due to a deficiency in vitamin D, according to MedlinePlus. In such cases, vitamin D supplements may help alleviate symptoms but should only be taken under a doctor's supervision. More » Health Medications & Vitamins

The methods for preventing muscle cramps in the upper thigh depend on the cause of the cramps, but staying hydrated and maintaining overall fitness can help, according to the American Osteopathic Association. Regular str... More » Health Pain & Symptoms

Individuals can prevent muscle cramps by drinking plenty of fluids, avoiding alcohol, eating healthy foods and exercising, notes WebMD. Doctors also recommend that people take daily vitamin supplements and stretch their ... More » Health Pain & Symptoms

According to MedlinePlus, the three ways in which a person can get vitamin D is through his skin, diet or supplements. The body naturally forms vitamin D when the skin is exposed to sunlight, but because too much sun can... More » Health Medications & Vitamins

Avoiding direct sunlight and eating a diet containing insufficient amounts of vitamin D can lead to vitamin D deficiency, according to WebMD. Illnesses that damage the ability of the intestine to absorb vitamin D, such a... More »

Potassium helps control muscle function in the body and can have a direct impact on leg cramps, according to Everyday Health and MedlinePlus. Potassium is an electrolyte, and too little can result in muscle cramps or mor... More » Health Medications & Vitamins

Symptoms of vitamin D deficiency can occur when the level of vitamin D in the body drops below the range of 30 to 74 nanograms per milliliter, according to MedlinePlus. The side effects are normally subtle, according to ... More » Health Nutrition & Diets Nutritional Amounts & Limits