Original concept of the recommended daily allowance (RDA) of vitamins to the level that acute deficiency diseases like scurvy would prevent Sailor’s. This is the standard of the RDA created.

But in recent years, research has shown that the vitamin is taken in high doses, can a chronic illness such as cancer and heart disease to prevent decide. The debate is still widespread, but there are a large number of research on vitamin A, C, E, vitamin antioxidants done.

develop a National Institutes of Health clinical trial involving persons at high risk for advanced age-related macular degeneration (AMD) showed that the risk of patients by 25 percent when treated with high dose decreased antioxidant vitamins and zinc.

Further research in the Center for Disease Control and Prevention (CDC) in Atlanta has shown that vitamin E reduced under multivitamins along with the risk of stroke and heart disease. reduced among the patients, the combination, the risk of death by 15 percent for the two diseases.

In September of that year joined the National Institutes of Health (NIH) The study examined the relationship between vitamin C and cancer showed that vitamin C may fight cancer. They found, take in the laboratory that high doses of vitamin C was injected directly into the bloodstream to kill cancer cells.

Although the current RDA for vitamin C is stuck on 60 mg, many researchers suggest that increasing the RDA 100-200 mg would be a good option for people who are antioxidants, they need to maintain overall well-being maintained.

Be careful when buying vitamins and supplements but. Research has shown that vitamins Whole Foods and vitamins with their co-factors, far more effective than isolated nutrients. Nutrition is a complex process, thousands of chemical reactions in our body. Vitamins are always better – eat in the food that we do. Supplements should not be used in place of a poor diet.

Smart choice on the food chain vitamins to find health nutritional supplements the diet is good for those times you can not get everything you need at meals.