Take one of these caplets once a day to help contribute to the normal function of the immune system as well as normal collagen formation for the normal function of blood vessels, bones, cartilage, gums teeth and skin. The other benefits of taking Vitamin C are that it contributes to normal energy yielding metabolism and normal function of the nervous system and psychological function. It helps with the protection of cells from oxidative stress as well as contributing to the reduction of tiredness & fatigue whilst also increasing iron absorption.