Vitamin-C also known as

Answer: Option C

Vitamin-C is also known as Ascorbic acid.
Vitamin C also known as ascorbic acid and ascorbate, is a water-soluble vitamin found in citrus and other fruits and vegetables, also sold as a dietary supplement and as a topical "serum" ingredient to treat melasma and wrinkles on the face. It is used to prevent and treat scurvy.
Vitamin C is an essential nutrient involved in the repair of tissue, the formation of collagen, and the enzymatic production of certain neurotransmitters.