Vitamin C Tablets 1100mg – 90 Premium Vegan and Vegetarian Tablets – 3 Month Supply – High Strength Ascorbic Acid – for Normal Function of The Immune System – Made in The UK by Nutravita ✔︎ WHY TAKE VITAMIN C? - One of Vitamin C’s most important function is that it contributes to the maintenance of normal immune system. It helps in collagen formation for the normal function of bones, skin, teeth and gums. Furthermore, it contributes to reduction of tiredness and fatigue as it increases iron absorption to help carry oxygen throughout the body. Claims as substantiated by EFSA.