A high potency formula containing citrus bioflavanoids extract to help boost its action in the body. The formula is buffered with mineral ascorbates making it gentle on the stomach, and contains natural sources of vitamin C, rosehips and acerola. Vitamin C helps to reduce the severity and duration of colds. As a potent antioxidant it also helps to reduce the risk of cell damage attributed to free radicals. A primary function of vitamin C is the manufacture of collagen and it may therefore play a role in supporting skin suppleness.