Vitamin D is called the sunshine vitamin because: it calms our nerves. we must get it in our diet from plant foods that grow in the sun. it can be made in the skin by exposure to UV light. Which of the following is/are antioxidants? Vitamin C Vitamin E. Selenium. All of these nutrients serve as antioxidants it is used to make serotonin, a neurotransmitter that enhances feelings of happiness