Vitamin C is an essential nutrient required by the body for the development and maintenance of scar tissue, blood vessels, and cartilage It is also necessary for creating ATP, dopamine, peptide hormones, and tyrosine. As a powerful antioxidant, vitamin C helps lessen oxidative stress to the body. Foods rich in C include Chili Peppers, Dark Leafy Greens (Kale, Mustard Greens, and Garden Cress), Papayas, Oranges, and other citrus fruits.