Nutrients like vitamins will not cause any damage to your health even if they are present in the body in excess amounts. Excess vitamins will be simply washed out from the body in the form of urine. But excess minerals accumulated in the body may cause severe medical problems in the body. It may deposit in the surfaces of the kidney and may lead to kidney stones. Minerals like sodium may damage the blood vessels of the body leading to mal functioning of heart and the related organs. So minerals should be taken to the required amount at the right time. Moreover even excess carbohydrates in the body may break down to sugar if not used by the body. This may lead to diabetes.