Magnesium contributes to the reduction of tiredness & fatigue High potency tablets - provides 100% magnesium citrate Suitable for vegetarians, vegans and Kosher diets Solgar Magnesium Citrate provides 100% magnesium citrate. Foods high in magnesium include dark leafy greens, nuts, seeds, fish, beans, wholegrains, avocados, yogurt, bananas, dried fruit and dark chocolate. Before choosing a mineral supplement, it helps to understand how the mineral works in the body. Magnesium plays a part in several important functions, these include contribution to: Reduction of tiredness and fatigue Electrolyte balance Normal energy-yielding metabolism Functioning of the nervous system Normal muscle function Normal protein synthesis Normal psychological function Maintenance of normal bones Maintenance of normal teeth A role in the process of cell division