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Nutrition Vitamins, Minerals, & Nutrients
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Phosphorus

Phosphorus is a component of DNA and RNA and an essential element for all living cells.

Deficiencies: Since renal conservation of phosphorus occurs quite efficiently on low phosphorus diets, a deficiency rarely occurs in a healthy population. However, various disease states or conditions (e.g., gastrointestinal malabsorption, diabetes mellitus, renal tubular dysfunction, antacid abuse, and premature birth) can be associated with low blood phosphorus levels and depleted phosphorus stores.

Food Sources: Phosphorus is found widely distributed in foodstuffs. In general, food sources rich in protein (milk, meat, eggs, legumes and grains) are also high in phosphorus.

Dietary Reference Intakes for Phosphorus

Recommended Intakes for Individuals*
Age Male Female Pregnant Lactating
1-3 yrs.460 mg460 mg
4-8500 mg500 mg
9-131250 mg1250 mg
14-181250 mg1250 mg1250 mg1250 mg
19-30700 mg700 mg700 mg700 mg
31-50700 mg700 mg700 mg700 mg
51-70700 mg700 mg
70+700 mg700 mg

*These Recommended Dietary Allowances are set to meet the needs of almost all (97 to 98 percent) individuals in the groups listed in the table above.

Tolerable Upper Intake Levels (UL)**
Age Male Female Pregnant Lactating
1-3 yrs.3 g3 g
4-83 g3 g
9-134 g4 g
14-184 g4 g3.5 g4 g
19-504 g4 g3.5 g4 g
51-704 g4 g
70+3 g3 g

**UL = The maximum level of daily nutrient intake that is likely to pose no risk of adverse effects. Unless otherwise specified, the UL represents total intake from food, water, and supplements.

Source: Food and Nutrition Board,
Institute of Medicine, National Academies


2000-Calorie Diet Recommendations

Shown below are the reference numbers used to compute the Daily Value percentages that appear on the Nutrition Facts labels on foods sold in the U.S. These numbers are meant to approximate the nutrients needed for the average person consuming 2000 calories per day.

Click any of the vitamin or nutrient names below to learn more about the importance of each element, and to see detailed dietary allowances for specific population groups.

Daily Value***
 
  65 g
Total Fat
  20 g
  Saturated Fat
  Trans Fat
  300 mg
Cholesterol
  2400 mg
Sodium
  25 g
  Dietary Fiber
  Sugars
  50 g
Protein
  5000 IU
Vitamin A
  60 mg
Vitamin C
  1 g
Calcium
  18 mg
Iron
Daily Value***
 
  400 IU
Vitamin D
  30 IU
Vitamin E
  80 µg
Vitamin K
  1.5 mg
Thiamin
  1.7 mg
Riboflavin
  20 mg
Niacin
  2 mg
Vitamin B6
  400 µg
Total Folate
  6 µg
Vitamin B12
  1 g
Phosphorus
  400 mg
Magnesium
  15 mg
Zinc
  70 µg
Selenium
  2 mg
Copper
  2 mg
Manganese
  3.5 g
Potassium

***Daily Value recommendations are based on a 2000-calorie diet. Recommendations for individuals will vary depending on gender, age, weight, and other factors.


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