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Cholinee (mg/d)

Vitamin C (mg/d)

Vitamin Ef (mg/d)

Selenium (μg/d)

Life Stage Group

 

Infants

125*

40*

4*

15*

0–6 mo

150*

50*

5*

20*

7–12 mo

 

Children

200*

15

6

20

1–3 y

250*

25

7

30

4–8 y

 

Males

375*

45

11

40

9–13 y

550*

75

15

55

14–18 y

550*

90

15

55

19–30 y

550*

90

15

55

31–50 y

550*

90

15

55

51–70 y

550*

90

15

55

> 70 y

 

Females

375*

45

11

40

9–13 y

400*

65

15

55

14–18 y

425*

75

15

55

19–30 y

425*

75

15

55

31–50 y

425*

75

15

55

51–70 y

425*

75

15

55

> 70 y

 

Pregnancy

450*

80

15

60

≤ 18 y

450*

85

15

60

19–30 y

450*

85

15

60

31–50 y

 

Lactation

550*

115

19

70

≤ 18 y

550*

120

19

70

19–30 y

550*

120

19

70

31–50 y

g Because 10 to 30 percent of older people may malabsorb food-bound B12, it is advisable for those older than 50 years to meet their RDA mainly by consuming foods fortified with B12 or a supplement containing B12.

h In view of evidence linking folate intake with neural tube defects in the fetus, it is recommended that all women capable of becoming pregnant consume 400 μg from supplements or fortified foods in addition to intake of food folate from a varied diet.

i It is assumed that women will continue consuming 400 μg from supplements or fortified food until their pregnancy is confirmed and they enter prenatal care, which ordinarily occurs after the end of the periconceptional period—the critical time for formation of the neural tube.



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