Nature's Sunshine Vitamin C Time Release tablets contain natural corn proteins that enable the modified release of ascorbic acid into the stomach over a six-hour period. The addition of bioflavonoids and herbs in this formula enhances absorption and bioavailability of Vitamin C. Vitamin C provides support to the immune system, particularly during the cold and flu season. It also aids the body in tissue repair and wound healing, and maintenance and improvement of general well-being. May be useful where the dietary intake of is inadequate.