The body also needs vitamin C to make collagen a protein required to help wounds heal. Vitamin C is an antioxidant that helps protect your cells against the effects of free radicals molecules produced when your body breaks down food or is exposed to. How To Boost Your Energy With Whole Food Anti Aging Food Healthy Aging Nutrition Vitamin C also known as ascorbic acid is necessary for the growth development and repair of all body tissues. . A low acidity b high acidity c ultraviolet light d nuclear radiation 27. Vitamin C absorption by the gastrointestinal tract. Vitamin C is needed for many chemical reactions. Many fruits and vegetables supply vitamin C. 78 Vitamin C is needed to make hemoglobin the most abundant protein in the human body. In the inflammatory phase it is required for neutrophil apoptosis and clearance. Vitamin C is essential for the synthesis of collagen a protein important in the formatio...