Dietary Reference Intake
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Dietary Reference Intake (DRI) is a set of guidelines set up in 1997 to give more detailed guidance than the Recommended Dietary Allowance system which preceded it. It was a collaboration between the USA and Canada.
The DRI is composed of:
- Estimated Average Requirements (EAR), expected to satisfy the needs of 50% of the people in that age group.
- Recommended Dietary Allowances (RDA)
- Adequate intake (AI), where no RDA has been established
- Tolerable upper intake levels (UL), to caution against excessive intake of nutrients (like vitamin D) that can be harmful in large amounts.
Nutrient RDA/AI UL Vitamin A 900 3,000 mcg/day Vitamin C 90 2,000 mg/day Vitamin D 5 50 mcg/day Vitamin E 15 1,000 mg/day Vitamin K 120 mcg/day Folate 400 1,000 mcg/day Vitamin B6 1.3 100 mg/day Vitamin B12 2.4 mcg/day Chromium 35 mcg/day Copper 0.9 10 mg/day Iron 8 45 mg/day Manganese 2.3 11 mg/day Selenium 55 400 mcg/day Zinc 11 40 mg/day
External links
- US Government [Food and Nutrition Information Center] list of Dietary Reference Intakes (DRI) and Recommended Dietary Allowances (RDA)
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