How do scientists know the ideal nutrient levels to include in the DRI?

Take home message

The DRIs contain the most current scientific knowledge on nutrient needs of healthy populations. Totally nearly 5,000 pages, the reports summarize what is known about how nutrients function in the human body.


(1) To prepare the reports, panels of recognized experts review the observational and intervention studies.

(2) They evaluate the quality of the research to determine its significance (probability of not being due to chance alone), validity, and importance.

(3)  After evaluating the research, the panel describes and consolidates the research results and data.

(4). They then develop conclusions.

(5). Based on their conclusions, they make recommendations.

Thank you for reading Food4Thought.Today.

If you enjoyed it, please share it with your friends and follow it by email.  If you are viewing this on a mobile device, click on "view the web version" to access the "follow by email" options.

Share it


Institute of Medicine. Dietary Reference Intakes. National Academy of Sciences, 2006.

Food and Nutrition Board and others. Recommended Dietary Allowances. National Academy Press, 1989.