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제품소개신제품 |
Recommendations for Daily Antioxidants jdoe |
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oreover, the FNB states that it cannot be certain that there is a direct link between antioxidants and the lower incidence of chronic diseases.
The FNB has been setting vitamin values since 1941. It recently updated and expanded the system for determining RDI values of antioxidants, as well as other vitamins. The FNB has increased the amount of the daily recommended levels of vitamins C and E for men and women, but decreased the levels of selenium. (The term Recommended Dietary Allowance, or RDA, has been replaced by the term Dietary Reference Intake, or DRI.)
Most American adults get sufficient vitamin C, vitamin E and selenium from their normal diets (especially since many foods are vitamin E enriched), but many Americans, particularly from lower socioeconomic groups, do not get sufficient amounts of these vitamins, as well as other essential vitamins and minerals. Vitamin supplements are seen as an option for those who can afford to buy them or who believe the levels are set too low.
The FNB is firm about one thing: it has concluded that megadoses of nutrients or dietary antioxidants –-vitamin E, C, selenium and beta-carotene—do not prevent chronic diseases, nor do they protect one from illnesses such as cardiovascular disease, diabetes and various forms of cancer, In fact, megadoses may contribute to many health problems, including bleeding, diarrhea, and risk of toxic reactions.
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