Natures Aid Vitamin C 1000mg Effervescent tablets contain high levels of Vitamin C to support collagen production and normal function of the immune system. Pleasing natural citrus flavour. Sugar Free, vegan with no artificial colours or flavours. Natures Aid Vitamin C 1000mg Effervescent Tablets are a one-a-day, orange flavour supplement containing high levels of Vitamin C. Vitamin C contributes to the normal production of collagen, which is essential for normal function of blood vessels, bones, cartilage, gums, skin and teeth. Vitamin C also contributes to the normal function of the immune system and protects cells from oxidative damage while increasing iron absorption. Key Features of Natures Aid Vitamin C Effervescents Made with 1000mg Vitamin C per tablet Great tasting natural orange flavour Easy to use effervescent tablets Sugar free Vegetarian and Vegan No artificial colours or flavours.