An electrolytic dis-balance leads to an unwanted contraction of muscles after a nervous non wanted influx: these are called cramps.<br /><br /><strong>3 Chênes Eficramp 30 Tablets</strong> is a special cramp food supplement formulated with a basis of minerals. It contains magnesium acting on the physiology of muscle contractions and on muscles, but also magnesium that contributes to the electrolytic balance, to the good muscle function and the nervous system. Iron present in the formula helps reduce tiredness.<br /><br />This food supplement is to take in case of frequent or occasional cramps after an effort.