Vitamin C is an essential nutrient, the compound L-ascorbic acid. Vitamin C may also refer to: Vitamin C (singer), an American pop music singer, dancer and actress Vitamin C (album), her debut album "Vitamin C" (song), a song by Can See also Chemistry of ascorbic acid Vitamin C and the common cold Vitamin C deficiency or scurvy Vitamin C megadosage, high doses used in an attempt to obtain specific therapeutic effects sv:Vitamin C