Magnesium and vitamin C help reduce tiredness and fatigue. Magnesium and vitamin D contribute to normal muscle function. Magnesium contributes to normal protein synthesis. In addition, manganese contributes to the normal formation of connective tissue. Magnesium, vitamin D, and manganese contribute to the maintenance of normal bones. Vitamin D contributes to the normal absorption and utilization of calcium and phosphorus. In addition, vitamin C contributes to normal collagen formation for the normal function of bones and cartilage. Vitamins D and C contribute to the normal function of the immune system. - Pleasant forest fruit flavor. - Water intake is not necessary. Instructions for Use: Take 1 sachet a day, letting it dissolve directly in the mouth.