Description vitamin c contributes to the normal function of the immune system is a great antioxidant help support your immune system with natures aid high strength vitamin c 1000mg effervescent in natural orange flavour suitable for vegetarians vegans ingredients citric acid vitamin c as ascorbic acid sodium bicarbonate sweetener sorbitol sodium carbonate inulin potato starch natural orange flavouring tri calcium phosphate sweetener sucralose maltodextrin beetroot powder