Vitamin C beta-carotene

Excellent sources of vitamin C, beta carotene, and potassium lesser amounts of other vitamins and minerals... 

Lee, B.M., Lee, S.K., and Kim, H.S., Inhibition of oxidative DNA damage, 8-OHdG, and carbonyl contents in smokers treated with antioxidants (vitamin E, vitamin C, beta-carotene and red ginseng). Cancer Lett., 132,219,1998. 

Van Hoydonck, P.G., Temme, E.H., and Schouten, E.G., A dietary oxidative balance score of vitamin C, beta-carotene and iron intakes and mortality risk in male smoking Belgians, J. Nutr., 132, 756,2002. 

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