Natural Factors C 500 mg - Four Mixed Fruit Flavours - Chew them at the first sign of a scratchy throat, or when everyone around you is sneezing, or for a tasty afternoon pick-me-up. Delicious naturally-flavoured wafers, packed with a synergistic combination of Vitamin C and Citrus Bioflavonoids for powerful, effective protection and relief from viral and bacterial invaders. Vitamin C is a well-known, proven and powerful antioxidant, derived from diet or supplementation, essential for boosting immune functions, balancing cholesterol, assisting the absorption of iron, and necessary for the maintenance of healthy bones, teeth, gums, skin and blood vessels. Natural Factors Vitamin C Chewables are ideal for those who have difficulty swallowing pills.