Vitazinc capsules are a nutritional supplement to strengthen the immune system and replace zinc. Vitazinc is one of the most famous zinc supplements, which are used to strengthen the immune system, as it works to raise the body’s immune efficiency. The body needs zinc to improve hair and skin, and prevent viruses as a result of decreased immune efficiency. Vitazinc is used for prevention. From colds and flu, and to compensate for the level of zinc in the body.