Each magnesium PLUS tablet contains magnesium (375 mg), vitamin C (120 mg) and vitamin B6 (1.4 mg). Magnesium, vitamin C and vitamin B6 help reduce fatigue and exhaustion. They also contribute to the normal metabolism of energy production and the normal functioning of the nervous system. Magnesium contributes to electrolyte balance and normal muscle function. No sugar. magnesiumPLUS tablets are taken in a dose of 1 tablet per day dissolved in a glass of water.