New RDAs and Increased Support for Benefits of Antioxidants
information on antioxidants and their potential for preventing disease
has been released by the National Academy of Sciences (NAS), prompting
increases in RDAs for sevral nutrients.
report contains an abundance of positive information about
antioxidants. It's encouraging the report includes research
recommendations for full-scale intervention trials to test the
prevention potential of vitamins C and E, selenium and carotenoids for
chronic disease," said Annette Dickinson, Ph.D., vice president for
nutritional and regulatory science for the Council for Responsible
report stopped short of concluding that evidence is sufficiently
consistent to permit recommended intakes based on disease prevention,
it did recognize the wide range of safe intakes for antioxidant
vitamins and issued higher Recommended Dietary Allowances (RDAs) for
vitamin C and E.
New RDAs for
antioxidant nutrients are: vitamin C, 75 milligrams (mg) for women and
90 mg for men; vitamin E, 15 mg; and selenium, 55 micrograms (mcg).
indicated there is "reason to expect the antioxidant vitamins (C and E)
should decrease the risk of cardiovascular disease." In addition, the
report noted it is reasonable to expect vitamin C would reduce
oxidative damage to the eye, thus lessening the risk of cataracts and
also established tolerable upper intake levels (ULs) for vitamin C
(2,000 mg), vitamin E (1,000 mg) and selenium (400 mcg). ULs for adults
are set to protect the most sensitive individuals of the general
optimistic the scientific evidence on these antioxidants would permit
the establishment of higher RDAs. However, the science is definitely
moving in the right direction and we're pleased to add the NAS report
to the totality of ever-growing scientific data," said John Cordaro,
CRN's president and chief executive officer. "Consumers can continue to
have confidence in antioxidant supplements, when used according to
For more information, visit http://national-academies.org.