A dose many times larger than the usual, especially of a vitamin or drug.
- ‘But a 2004 report suggests that taking megadoses of vitamin E may actually do more harm than good.’
- ‘Take only the recommended daily allowance of vitamins and minerals and avoid megadoses.’
- ‘Although the study results suggest that vitamin C may have a protective effect, it does not present conclusive evidence, nor do the researchers recommend megadoses of vitamin C to reduce heart disease risk.’
- ‘He treated himself with multivitamins and minerals, plus megadoses of vitamin C - and I do mean mega; at one stage he was taking over 100 grams per day.’
- ‘Although there is no evidence that they will do you any harm in the usual doses, megadoses have been reported to have side effects and actually decrease optimum physical performance.’
We take a look at several popular, though confusing, punctuation marks.