Ideal for individuals who are unable to swallow capsules or tablets whole. Functions of Holland & Barrett Chewable Vitamin C with Rose Hips Tablets are: Vitamin C contributes to the normal function of the immune system. Vitamin C contributes to normal collagen formation for the normal function of blood vessels, bones, cartilage, gums, teeth and skin. Vitamin C contributes to normal energy yielding metabolism. Vitamin C contributes to the normal functioning of the nervous system. Vitamin C contributes to normal psychological function. Vitamin C contributes to the protection of cells from oxidative stress. Vitamin C contributes to the reduction of tiredness and fatigue. Vitamin C increases iron absorption. This product is suitable for vegans and vegetarians.