I've read articles that both praised antioxidant supplements, such as vitamin E, and also suggested that they may be extremely harmful.  Can you shed some light on this controversy and suggest safe ways to improve antioxidant levels in our bodies?
D000975:Antioxidants / Q000627:therapeutic use*; D002318:Cardiovascular Diseases / Q000188:drug therapy / Q000517:prevention & control*; D006801:Humans; D012307:Risk Factors; D014810:Vitamin E / Q000627:therapeutic use*
D000975:Antioxidants; D014810:Vitamin E