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[PubMed Central ID: PMC8492595]
According to the National Academies of Sciences, Engineering, and Medicine (NAP), a safe highest level is called the tolerable upper intake level. Assessment of what amount is too much is based on animal and human studies, published evidence of adverse events, and professional agreement based on a committee of experts
Zhu H, Wang X, Meng X, Kong Y, Li Y, Yang C, et al
The protocols differ in important ways, and understanding those differences is essential for anyone planning a research protocol
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