Reference Daily Intake

Reference Daily Intake (RDI)

Reference Daily Intake (RDI) is a set of dietary references based on the Nutrient recommendations of the United States Food and Drug Administration (FDA). The RDI is used to help people understand the amount of a nutrient they need every day.

Pronunciation

Ref·er·ence Dai·ly In·take | \ ˈre-fər-ən(t)s ˈdā-lē ˈin-ˌtāk \

Etymology

The term "Reference Daily Intake" is derived from the English language. "Reference" refers to something that is used as a standard for evaluation or comparison, "Daily" refers to something that happens every day, and "Intake" refers to the amount of food, drink, or other substances that one takes in.

Related Terms

Definition

The Reference Daily Intake is a set of values that are established by the FDA and are based on the nutrient recommendations made by the National Academy of Sciences. These values are used to help people understand the amount of a nutrient they need every day. The RDI is used on food and dietary supplement labels in the U.S. and Canada.

Usage

The RDI values are used on food and dietary supplement labels to indicate the percentage of the daily intake level of a nutrient that is provided in a serving of the food or supplement. The values are based on a 2,000 calorie diet for adults and children aged 4 years and older.

External links

Medical encyclopedia article on Reference Daily Intake
Wikipedia's article - Reference Daily Intake

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Reference Daily Intake