Multiple vitamins: are very popular and most of them are good. Comparative tests show acceptable results for many brands and most people can purchase based on price. There are advocates for organic or natural vitamins; no real evidence for superiority. Careful research about the sources of the vitamins is needed due to lack of regulation of manufacture. Getting nutrients from good food is best.
Answered 12/8/2015
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A doctor has provided 1 answer
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