Vitamin C also referred to as ascorbic acid is used to prevent or treat low levels of vitamin C in persons who do not get sufficient from food. People who eat a normal diet do not need extra ascorbic acid. Vitamin C low levels can result in a condition called scurvy. Scurvy may cause symptoms such as rash, muscle weakness, joint pain, tiredness, or tooth loss. Vitamin C plays a vital role in the body. It helps maintain the health of skin, cartilage, teeth, bone, and blood vessels. It is an antioxidant which serves to protect the body’s cells from damage.