Wassen We support fatigue reduction Magnesium-B with added B complex. Magnesium-B has been specially formulated to provide 300mg of magnesium combined with vitamin B complex and vitamin C. Magnesium is important for helping support energy production and is responsible for over 300 enzyme reactions in the body. Magnesium also plays a role in the function of the nervous system and contributes to normal muscle function and to electrolyte balance. Vitamins B6, B12, riboflavin (B2), pantothenic acid (B5) and folic acid contribute to the reduction of tiredness and fatigue. Vitamin C has been added for its role in helping to support the normal function of the immune system and for the protection of cells from oxidative stress.