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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.
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.