GO Healthy Pro Magnesium Muscle is a combination of Magnesium, Cramp bark and essential nutrients to support muscle health and energy production   Pro Magnesium Muscle provides 280mg of elemental Magnesium supplied in easy to take powder format. Magnesium supports energy production, body electrolyte balance and healthy muscle contraction function.  Magnesium also supports healthy cardiovascular system function.  Cramp bark is traditionally used in Western Herbal Practice to soothe tight tense muscles, supporting muscle relaxation. GO Healthy Pro Magnesium Muscle also consists of Vitamins B1, B2, B3, B5, B6, B12, D3, Folic Acid, Inositol, Calcium, Potassium, Taurine and Glutamine, to provide an all round muscle balance support.