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Dietary Reference Intake. The Dietary Reference Intake ( DRI) is a system of nutrition recommendations from the National Academy of Medicine (NAM) [ a] of the National Academies (United States). [ 1] It was introduced in 1997 in order to broaden the existing guidelines known as Recommended Dietary Allowances ( RDA s, see below).
The recommended adequate intake of sodium is 1,500 milligrams (3.9 g salt) per day, and people over 50 need even less." [13] The Daily Value for potassium, 4,700 mg per day, was based on a study of men who were given 14.6 g of sodium chloride per day and treated with potassium supplements until the frequency of salt sensitivity was reduced to 20%.
The guidelines give drink amounts in a variety of formats, such as standard drinks, fluid ounces, or milliliters, but have been converted to grams of ethanol for ease of comparison. The daily limits range from 10-30 g per day for men and 10-24 g per day for women. Weekly limits range from 27-252 g/week for men and 27-168 g/week for women.
The recommended daily allowance (RDA) for magnesium is 310 to 320 milligrams for most adult women and 400 to 420 milligrams for most adult men, per the NIH. That said, magnesium deficiency can be ...
The Recommended Daily Intake (RDA) for preformed supplemental Vitamin A for adult men and women is 900 and 700 Retinol Activity Units(RAE)/day, respectively, or about 3,000 IU and 2,300 IU. For pregnant people, the Vitamin A RDA is 750-770 RAE/day (about 2,500-2,550 IU).
The RDA (recommended daily allowance) established by the U.S. National Academy of Medicine is 0.36 grams of protein per pound of body weight per day. For example, for someone weighing 160 pounds ...
The Recommended Dietary Allowance (RDA) for vitamin B12 varies by age, gender and life stage. According to the National Institutes of Health, most healthy adults require 2.4 micrograms daily ...
Zinc deficiency in humans is caused by reduced dietary intake, inadequate absorption, increased loss, or increased body system use. The most common cause is reduced dietary intake. In the U.S., the Recommended Dietary Allowance (RDA) is 8 mg/day for women and 11 mg/day for men.