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Free Radic Biol Med. 1987;3(3):203-7.

Micronutrients and cancer prevention: are the RDAs adequate?

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  • 1Department of Nutritional Sciences, University of Guelph, Ontario, Canada.

Abstract

The involvement of certain micronutrients (vitamin C, vitamin E, beta-carotene, selenium) in the antioxidant defense system against free radical cell damage, and of vitamin A in the differentiation of epithelial cells, has raised the question whether intakes of these nutrients in excess of their recommended daily allowances should be recommended to the general public for cancer prevention. The considerations surrounding this question are discussed, and it is concluded that such measures are unjustified by present epidemiological and experimental evidence. Any such action should await the outcome of ongoing intervention trials.

PMID:
3666522
[PubMed - indexed for MEDLINE]
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