Leotron Vitality Magnesium Vitamin D 14 Sticks. A vitamin supplement that provides triple action for the body: energy, muscles, and bones. The convenient stick format requires no water; simply take it, making it perfect to carry with you in your purse, backpack, or on trips or outings. Poor diets, smoking, alcohol, or stressful lifestyles can sometimes lead to a magnesium and vitamin D deficiency, which can cause long-term health problems. Composition Magnesium: helps the skeletal system to remain in normal condition, provides energy and keeps muscles functioning properly. Vitamin D: provides good function to the muscles and the immune system, the skeletal system and helps to absorb calcium and phosphorus more effectively. Vitamin C: contributes to a healthy immune system, provides energy to reduce tiredness and fatigue, and helps bones and cartilage thanks to the proper formation of collagen. Manganese: contributes to the maintenance of a healthy skeletal system and also contributes to the formation of connective tissue.