Containing both zinc gluconate and zinc citrate, BPI Sports Zinc is the best supplement on the market. In just one serving, you’ll get 50mg of zinc that will support your body, protect and repair damaged cells, boost your immune system, and help you recover quicker from the common cold. In addition, the formula will help you improve your cardiovascular health, eye health, and cognitive function. Finally, it promotes the growth of new cells and collagen, improving your skin health.