Anti Leg Cramps are composed of a mixture of Patented Magnox (magnesium oxide monohydrate) which was clinically proven to be most bioavailable magnesium of dead sea origin, along with vitamin B6 that maximize the absorption rate, and with vitamin E, which is recognized as having alleviating effects in Nocturnal Leg Cramps syndrome due to its support of blood circulation and synergy effects with magnesium.