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Best Answer loveforfood, 29 May 2018 - 10:53 PM
Hi sjenkins,
I think you are referring to that document https://www.fda.gov/...m063113.htm#how
Check section "How compliance works 21 CFR 101.9 (g)
There are 3 type of nutrients, Class I, Class II and Third Group
Hope that was helpful
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