Quest-Vitamin C 1000mg Timed Release (30 tablet)Bio C Complex provides vitamin C along with bioflavonoids, which are widely distributed in plants particularly in vitamin C rich foods. Vitamin C is an antioxidant that contributes to the protection of cells from oxidative stress and to the normal functioning of the immune system. Vitamin C helps towards collagen formation for many body tissues including skin, gums, teeth and cartilage. It is also involved in energy metabolism and contributes to the reduction of tiredness and fatigue. Quest Bio C Complex is a quick release tablet, designed to release full potency within 30 minutes and provide quick saturation of the tissues.