Define the terms adequate intake and tolerable upper intake level.

Adequate Intake Level: A recommended intake value based on observed or experimentally determined approximations or estimates of nutrient intake; when a recommended daily amount cannot be determined.

Tolerable Upper Intake Level: "The highest level of daily nutrient intake that is likely to pose no risk of adverse health effects to almost all individuals in the general population.”

Explanation:

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Adequate intake is a recommendation made when there´s not enough specific information to make it a Recommended Daily Allowance (RDA), which is the amount of a nutrient required to meet someone´s nutritional needs. However, there's enough data to provide general guidelines.

Explanation:

On the other hand, the tolerable upper intake level is the maximum amount of a nutrient that someone can take without the possibility of creating disadvantageous health outcomes.