What does it mean if a nutrient does not have a Tolerable Upper Intake Level?
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If a nutrient does not have an established UL, it means that there is insufficient scientific evidence to determine a safe upper limit of intake for that nutrient. This doesn't necessarily mean the nutrient is unsafe, but rather that more research is needed to Show more…
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If a nutrient does not have a Tolerable Upper Intake Level (UL) this means that: none of the above Toxicity from this nutrient is impossible It is safe to consume in any amount Too little information is available to set a UL value
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