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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.
Most commonly, the cramps are caused by the bodyâs shortage of minerals, such as calcium and magnesium. A shortage of acetic acid can also cause cramps. The body uses acetic acid to produce acetylcholine, which is essential for leg muscle contractions. This is why mustard is effective for leg cramp relief.