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Additionally, replacing potassium solely through diet may be costly and result in weight gain due to potentially large amounts of food needed. An effort should also be made to limit dietary sodium intake due to an inverse relationship with serum potassium. Increasing magnesium intake may also be beneficial for similar physiological reasons. [30]
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 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 healthy kidney diet restricts large amounts of protein, which are hard for the kidney to break down, but especially limits potassium and phosphorus-rich foods and beverages. Liquid intake is often limited as well. [55] [57] Ketogenic diet: A high-fat, low-carb diet, in which dietary and body fat is converted into energy.
For U.S. food and dietary supplement labeling purposes, the amount in a serving is expressed as a percent of Daily Value (%DV). For potassium labeling purposes, 100% of the Daily Value was 3500 mg, but as of May 2016, it has been revised to 4700 mg. [29] [30] A table of the old and new adult Daily Values is provided at Reference Daily Intake.
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Women need, on average, 1800–2200 kilocalories (kcal) a day whereas children need 1500–2000 kcal and men 2200–2700 kcal. [2] In March 2009, the European Food Safety Authority published its opinion on intake levels for Europe and they were consistent with numbers behind the GDAs developed in the UK. [10] Moreover, not all categories are equal.
RNI - Reference Nutrient Intake (95% of the population's requirement is met) EAR - Estimated Average Requirement (50% of the population's requirement is met) LRNI - Lower Recommended Nutritional Intake (5% of the population's requirement is met) RNI is not the same as RDA (Recommended Daily Allowance) or GDA, although they are often similar. [3]