In case of an increased need for antioxidant nutrients Contains micronutrients and secondary plant compounds such as OPC (oligomeric proanthocyanidins), polyphenols from white grape seeds, red wine and green tea, as well as bioflavonoids from citrus fruits. Vitamin C contributes to the normal, healthy function of the immune system and energy metabolism. Furthermore, vitamin C acts as a free radical scavenger, helping to protect cells from oxidative stress.