<prompt> The main function of Vitamin C in the body isCoenzyme for energy metabolismRegulation of lipid synthesisInvolvement as antioxidantInhibition of cell growth  <response>: Vitamin C is one of a group of nutrients that includes vitamin E see p. 391 and b-carotene see p. 382, which are known as antioxidants. Consumption of diets rich in these compounds is associated with a decreased incidence of some chronic diseases, such as coronary hea disease and ceain cancers. However, clinical trials involving supplementation with the isolated antioxidants have failed to determine any convincing beneficial effects.Reference: Lippincott, Edition 5, page no: 378 