Chelated Zinc 50mg: Zinc is an essential mineral for human health and is involved in growth, cell division and DNA synthesis. Zinc is important for immune support and also supports bone, teeth and skin health. Buffered Quick C 1000mg: Vitamin C is a powerful antioxidant and is essential for human health. Vitamin C also supports the immune system. Buffered form of Vitamin C is gentle on stomach. Echinacea 400mg: Each serving contains 400 mg herbal blend of Echinacea. Echinacea is a group of flowering plants used as a popular herbal remedy. They has been traditionally used for variety of reasons including reduce the inflammation & improve the immunity.