Swisse Ultiboost Magnesium is a premium quality formula containing a bioavailable form of magnesium (citrate) to help reduce muscle cramps and spasms, support a healthy nervous system and help relieve premenstrual syndrome (PMS) symptoms. Healthy Muscle Function: Formulated to help support healthy muscle contraction and help reduce muscle cramps and spasms. Support During Stress: Magnesium helps support a healthy nervous system. Magnesium levels may be depleted during prolonged stress. Energy Production: Magnesium helps the body metabolise food into energy and assists with cellular energy production. Heart Health: Adequate levels of magnesium support heart health and help maintain a healthy cardiovascular system. PMS Symptoms: Magnesium may provide symptomatic relief from PMS such as stress, water retention and pain. Absorption: Formulated with a bioavailable form of magnesium (citrate) to help optimise absorption. Lifestyle factors such as prolonged stress and lack of sleep may deplete magnesium levels. Swisse Ultiboost Magnesium has been formulated based on scientific evidence to support a physically active lifestyle.