Vitamin C Powder provides a high dose of vitamin C, a powerful antioxidant that supports overall health and promotes the development and maintenance of bones, cartilage, teeth, and gums. Vitamin C also promotes protein , and supports healthy tissue formation. Research suggests that vitamin C also helps to promote optimal immune function. Magnesium is an essential mineral that supports muscle, tissue, bone, and tooth health, and promotes healthy macronutrient metabolism. Magnesium is involved in numerous processes that affect muscle function, including oxygen uptake, energy production and electrolyte balance.