What are the Daily Recommended Allowances (RDAs)?
Two agencies, the National Academy of Sciences and the U.S. Food and Drug Administration, have both issued standards for meeting the nutritional needs of men, women, and children. Expressed as RDA, they generally indicate the amount of a particular nutrient that is needed to avoid nutritional diseases. What are antioxidant vitamins and why are they important? Our bodies are actually battlegrounds for infection and diseases. Normal body functions, such as breathing or physical activity, and other lifestyle habits, such as smoking, produce substances called free radicals that attack healthy cells. When these healthy cells are weakened, they are more susceptible to cardiovascular disease and certain types of cancers. Antioxidants, such as vitamins C and E, and cartenoids, which include beta-carotene and lutein, help protect healthy cells from damage caused by free radicals. We have vitamins A, B, C, D, E, AND K. Whatever happened to vitamins F-J? Vitamins are named in the order of discove
