High strength one a day zinc supplement Contributes to the normal function of the immune system Suitable for Vegetarians and Vegans Holland & Barrett High Strength Zinc supplements are a great way to boost the levels of zinc in your body. It provides all the benefits of zinc in an easy to swallow one-a-day high strength tablet. Zinc contribtues to the normal function of the immune system, normal fertility and reproduction, the maintenance of normal vision, normal hair skin and nails, normal cognitive function as well as having a role in the process of cell divison. High strength one a day zinc supplement Contributes to the normal function of the immune system Suitable for Vegetarians and Vegans Holland & Barrett High Strength Zinc supplements are a great way to boost the levels of zinc in your body. It provides all the benefits of zinc in an easy to swallow one-a-day high strength tablet. Zinc contribtues to the normal function of the immune system, normal fertility and reproduction, the maintenance of normal vision, normal hair skin and nails, normal cognitive function as well as having a role in the process of cell divison.