The standard called RDA (Recommended Daily Allowance) cannot be used, as it is currently, as a measure for how many vitamins and minerals an individual should take.
Two new studies indicate that important nutrients, contained in, among other things, egg, play a part in the prevention of the most common type of age related blindness.
Every now and then it is reported that scientific studies show that the intake of large doses of vitamins over long periods of time is dangerous. Time after time it becomes apparent that these reports are misleading.