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Box S-2 Uses of Dietary Reference Intakes for Healthy Individuals and Groups

Type of Use

For the Individuala

For a Groupb

Assessment

EAR: use to examine the probability that usual intake is inadequate.

EAR: use to estimate the prevalence of inadequate intakes within a group.

 

RDA: usual intake at or above this level has a low probability of inadequacy.

RDA: do not use to assess intakes of groups.

 

AIc: usual intake at or above this level has a low probability of inadequacy.

AIc: mean usual intake at or above this level implies a low prevalence of inadequate intakes.

 

UL: usual intake above this level may place an individual at risk of adverse effects from excessive nutrient intake.

UL: use to estimate the percentage of the population at potential risk of adverse effects from excess nutrient intake.

Planning

RDA: aim for this intake.

EAR: use to plan an intake distribution with a low prevalence of inadequate intakes.

 

AIc: aim for this intake.

AIc: use to plan mean intakes.

 

UL: use as a guide to limit intake; chronic intake of higher amounts may increase the potential risk of adverse effects.

UL: use to plan intake distributions with a low prevalence of intakes potentially at risk of adverse effects.

RDA = Recommended Dietary Allowance

EAR = Estimated Average Requirement

AI = Adequate Intake

UL = Tolerable Upper Level

a Evaluation of true status requires clinical, biochemical, and anthropometric data.

b Requires statistically valid approximation of distribution of usual intakes.

c For the nutrients in this report, AIs are set for infants for all nutrients, and for other age groups for vitamin K, chromium, and manganese. The AI may be used as a guide for infants as it reflects the average intake from human milk.



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