BOX S-1 Uses of Dietary Reference Intakes for Healthy Individuals and Groups

Type of Use

For the Individual

For a Group

Planning

RDA: aim for this intake.

EAR: use in conjunction with a measure of variability of the group's intake to set goals for the mean intake of a specific population.

 

AI: aim for this intake.

 
 

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

 

Assessment a

EAR: use to examine the possibility of inadequacy; evaluation of true status requires clinical, biochemical, and/or anthropometric data.

EAR: use in the assessment of the prevalence of inadequate intakes within a group.

 

UL: use to examine the possibility of overconsumption; evaluation of true status requires clinical, biochemical, and/or anthropometric data.

 

EAR = Estimated Average Requirement

RDA = Recommended Dietary Allowance

AI = Adequate Intake

UL = Tolerable Upper Intake Level

aRequires statistically valid approximation of usual intake.

the nutrient, providing dietary supplements, or a combination of the three methods. It is not the function of this report, given the scope of work outlined, to provide an analysis of the impact of using these three methods.

Obtaining recommended intakes from unfortified foodstuffs has the advantage of providing intakes of other beneficial nutrients and



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