Pax Naturals Vitamin C Effervescent tablets provide a great tasting, easy to use option for those who want to keep their immune system healthy. Vitamin C contributes to the normal functioning of the immune system, and supports immune function during and after intense physical activity. Vitamin C Effervescent tablets are a pleasant natural orange flavour. Take one tablet daily, dissolved in a glass of water. Natures Aid Effervescent tablets contain no sugar and are free from artificial flavours and colours Vitamin C also protects cells from oxidative damage, increases iron absorption, and contributes to normal collagen formation for the normal function of: blood vessels, bones, cartilage, gums, skin and teeth.