Vitamin C (also known as Ascorbic Acid and Acid Ascorbic) is a vitamin found in various foods and sold Acid Product as a dietary supplement.It is used to prevent and treat scurvy.Vitamin C Powder is an essential nutrient involved in the repair of tissue, the formation of collagen, and the enzymatic production of certain neurotransmitters. It is required for the functioning of several enzymes and is important for immune system function. It also functions as an antioxidant. Most animals are able to synthesize their own Ascorbic Acid Vitamin C, although humans, the other great Ethylene-Vinyl Acetate and lesser apes, Pvc Resin monkeys (but not all primates), most bats, some rodents, and certain other animals must acquire it from dietary sources. There is some evidence that regular use of supplements may reduce the duration of the common cold, but it does not appear to prevent infection. It is unclear whether supplementation affects the risk of cancer, cardiovascular disease, or dementia. It may be taken by mouth or by injection