How does the FDA calculate the recommended daily amount for certain nutrients?

Update:

Do they conduct studies giving people various amounts, or what?

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  • 6 years ago
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    In my opinion they use Chemists to check each ingredient out for the public. Mike

    Source(s): A precise exactness is Chemists/ much like CSI Team in the police force, but in this case. The Chemists protect the public.
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