Higher nature pn super immune 30 tabletthis high potency immune supporting formulation provides 1000mg vitamin c in two tablets together with zinc and fruit extracts of blackcurrant black elderberry and bilberry vitamin c and zinc help to maintain a strong immune system vitamin c and zinc are also important antioxidants that help protect your body cells from oxidative stress your body cannot produce or store vitamin c and food storage cooking and environmental factors such as polluti