No.1 Herbal supplement brand (Source: IRI Total US - Multi Outlet: Latest 52 Weeks ending 12/27/20). Immune health. With vitamin C, vitamin D and zinc. With fruit based pectin. 50 Years of trusted quality. At Nature's Bounty, we are committed to your health. For 50 years we have been making trusted products, backed by science, and made with only the purest ingredients guaranteed. So you can get the most out of life every day. Naturally sourced colors & flavors. Gelatin free (This product is not suitable for vegetarian/vegan). Laboratory tested.