Orthoexpert® basic-immun activates immune cells to specifically strengthen the immune system during periods of increased stress. Orthoexpert basic-immun provides the body with essential micronutrients from antioxidants such as lycopene, vitamins E and C, zinc, and selenium. Antioxidants make an important contribution to supporting the bodys natural defenses. Vitamin D and vitamin C contribute to the normal function of the immune system. Zinc and selenium help protect cells from oxidative stress.