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 bones under normal conditions. Vitamin D contributes to the normal absorption and utilization of calcium and phosphorus. In addition, vitamin C contributes to the normal formation of collagen for the normal functioning of bones and cartilage. Vitamins D and C contribute to the normal functioning of the immune system. - Pleasant flavor of forest fruits. - Water intake is not necessary. How to use: Take 1 sachet a day, letting it dissolve directly in your mouth.