Product Description: Vitamin C with Rosehips Immune Health 500mg per tablet Vitamin Supplement Advanced sustained-release formula extends the absorption time of vitamin C in the body Helps boost immune function and provide additional antioxidant benefits High-quality products based on science since 1969 Botanicals Stay protected all day long with Swanson Vitamin C with Rosehips! One of the richest natural sources of vitamin C, rosehips contain bioflavonoids that enhance vitamin absorption and enhance antioxidant benefits. These specially formulated tablets gradually release 500mg of vitamin C and 50mg of rosehips over 6-8 hours to ensure maximum absorption. You probably know that vitamin C is important for optimal immune function. But did you know that vitamin C is also needed throughout the body to absorb iron to oxygenate cells and to produce collagen, which contributes to the integrity of connective tissues such as skin, tendons, and ligaments? Enjoy the full-body wellness benefits of Swanson Vitamin C with Rosehips. How to use: Take 1 tablet 1-2 times daily with water as a supplement. Releases gradually over 6-8 hours.