Bio C Complex provides vitamin C along with bioflavonoids, which are widely distributed in plants particularly in vitamin C rich food and greatly increase the absorption of vitamin C by the body. Vitamin C is an antioxidant nutrient that contributes to the protection of cells from oxidative stress and to the normal functioning of the immune system. As a water soluble nutrient vitamin C supplies in the body are used up quicker under stress leading to a lowering of immune function and increased incidence of infections. Low levels are also associated with an increased risk of stroke and cardiovascular disease.