Vitamin C 1000 mg Timed Release provides 1000 mg of vitamin C that is slowly released in the body to provide sustained vitamin C. Other than an antioxidant for maintaining good health, Vitamin C is essential for maintaining many functions in the body. Vitamin C helps in the development and maintenance of bones, cartilage, teeth and gums. It is also involved in wound healing, supports the immune system and helps the body to metabolize nutrients.