A highly absorbable proprietary blend of magnesium citrate in powder form. Helps the body to metabolize carbohydrates, fats and proteins. Helps in the development and maintenance of bones and teeth. Helps in tissue formation. Helps to maintain proper muscle function. Each 226 g container lasts 6-18 weeks. Individual needs vary. Start with 1 tsp (or less) daily. When bowels are comfortable loose, this is the optimal amount. Can be taken with or without food.