Who knows? No one: With regards to dietary supplements, there's no 3rd party oversight regarding manufacture or quality, much less safety & effectiveness. We don't typically check blood levels of most vitamins aside from B12, D & folic acid but that would be best way to guide your decision regarding how much of each. However, there are no studies demonstrating any benefit from multivitamins. Besides 1,250mcg of what
Answered 5/5/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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