Dietary supplement in sachet format that is indicated for those people who need an extra supply of magnesium and vitamin D. It is usually for those who have deficiencies due to unbalanced diets or habits that impact on bone and muscle wear, such as intense sporting activity or bad habits, such as smoking or alcohol consumption. It contributes to the maintenance of bones and muscles in normal conditions, reduces tiredness and fatigue, allows the normal functioning of the immune system, contributes to the normal protein synthesis needed by the body to maintain energy and to the normal absorption and utilization of calcium and phosphorus.