Lamberts® Magnesium 375 product provides the full 100% Nutrient Reference Value of magnesium, blending 4 different magnesium compounds - hydroxide, oxide, citrate and carbonate.Magnesium contributes to the maintenance of normal bones and the normal functioning of the nervous system. It also contributes to maintaining normal muscle function including the heart muscle. Magnesium is also increasingly recognised as a nutrient that can contribute to a reduction of tiredness and fatigue. Magnesium is termed an essential nutrient which means we must obtain it from our diet. Each tablet provides the full adult NRV of magnesium in the form of a unique blend of 4 different magnesium compounds. This one a day tablet is an excellent partner for most multivitamin formulas. IngredientsMagnesium (as Hydroxide, Oxide, Citrate & Carbonate). Tableted With: Cellulose, Crosslinked Cellulose Gum, Anti-caking Agents (Silicon Dioxide & Magnesium Stearate), Tablet Coating (Hydroxypropyl Methylcellulose, Glycerin).Typically per tablet: Magnesium (as Hydroxide, Oxide, Citrate & Carbonate) 375mg. Directions For UseTake one tablet daily with a meal.