VITAMIN C Possibly the best known of all vitamins, Vitamin C is essential in the maintenance of a healthy immune system also in assisting the smooth running of many body systems. Vitamin C is water soluble and easily destroyed in the storage and cooking of foods. Many of us require extra Vitamin C, especially the elderly, smokers, athletes and anyone whose immune system is not as strong as it should be. Available in two strengths, 500mg and 1000mg, both have acerola, rosehips and citrus bioflavonoids added for improved absorption. Also available in 1000mg timed release for improved effectiveness through better absorption.