Appeton Activ-C promotes stronger body resistance toward infection. Vitamin C (ascorbic acid) is a water soluble vitamin which is necessary in the body to form collagen in bones, cartilage, muscle and blood vessels. It also aids in the absorption of iron in our body. Vitamin C is beneficial especially in preventing common colds and cough. Vitamin C also helps to reduce the duration of flus. Apart from that, Vitamin C is a potent antioxidant which protects our cells from damage caused by unstable molecules known as free radicals. In addition, it aids in the absorption of iron too.