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Source: Institute of Medicine of the National Academies, Published August 31 2012

Daily vitamin recommendations

The right amount of vitamins and minerals varies from person to person, depending on medical conditions, gender and age. But there are general guidelines known as Dietary Reference Intakes for healthy 19- to 50-year-old adults.

Women Men

Vitamin A (micrograms) 700 900

Vitamin C 75 90

Vitamin D (micrograms) 15 15

Vitamin E 15 15

Vitamin K (micrograms) 90 120

Thiamin 1.1 1.2

Riboflavin 1.1 1.3

Niacin 14 16

Vitamin B-6 1.3 1.3

Folate (micrograms) 400 400

Vitamin B-12 (micrograms)2.4 2.4

Choline 425 550

Calcium 1,000 1,000

Iron 18 8

Potassium (grams) 4.7 4.7

Source: Institute of Medicine of the National Academies. All amounts are in milligrams unless otherwise noted.