The magnesium in this product is in the citrate form, which is highly bioavailable. Each teaspoon provides a total of 375 mg elemental magnesium per 5.5 g serving. Provides 100% NRV of magnesium for adults per daily dose. We use the finest grade mineral compound to increase solubility. It is an ideal product for people who have difficulty swallowing tablets. Teaspoon (measuring) included. Citrus flavor. It is suitable for vegetarians and vegans and is free of lactose and gelatin. The effects of a lack of magnesium are wide-ranging and include the appearance of muscle cramps. Magnesium contributes to:-Reducing tiredness and fatigue.-It collaborates in the normal electrolyte balance and in the cell division process.-The maintenance of metabolism energetic.-The growth of bones, teeth.-The normal function of the nervous and psychological system.