Nutritional and Food Science

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Recommended Dietary Allowances (RDA)

The average daily energy intake level to meet the requirements of 97 to 98% of the population.

Adequate Intake (AI)

The average daily nutrient intake taken for a group using observations or experimentally obtained approximations or estimations based on nutrient intake.

When is the Adequate Intake typically used?

*** Adequate intake is typically used when the RDA cannot be obtained, like in the case of insufficient data to identify more information about the nutrient****

Tolerable Upper Intake Level( UL)

The highest average nutrient intake level that is going to pose no risk of adverse effects in all of the general population

Estimated Average Requirement

The average amount of energy intake needed to satisfy the requirements of half the population of a particular age group or life stage group