This supplement contains an excellent source of Vitamin C to prevent and alleviate symptoms of colds and flu, and boost the immune system. Vitamin C promotes healthy capillaries, gums and teeth, and aids iron absorption. It helps heal wounds and broken bones and, by increasing the absorption of iron from the intestine, it helps treat anemia. Vitamin C plays a role in collagen formation within connective tissue and it contributes to hemoglobin and red-blood-cell production in bone marrow. Vitamin C is perhaps best known for its role as an immune system booster that helps prevent viral and bacterial infections. It is recommended for treatment of the common cold. This formula contains lemon bioflavonoids that work synergistically with Vitamin C to maintain the structural health and fluid permeability of capillaries. Bioflavonoids are also potent antioxidants that protect cells from free-radical damage.