Refined Nutrition Ultra 3-in-1 Magnesium is a premium Magnesium supplement providing a combination of 3 different types of Magnesium - Glycinate, Malate and Citrate. Magnesium can help contribute to a reduction of tiredness and fatigue and contributes to normal energy-yielding metabolism. Magnesium contributes to normal functioning of the nervous system. Magnesium contributes to normal muscle function and normal protein synthesis.