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Table 1 Dietary reference intakes (DRIs): recommended dietary allowances or adequate intakes for vitamins and elements [5]

From: Addressing nutritional gaps with multivitamin and mineral supplements

Micronutrient

RDAs (bold) or AI (plain type) for adults

VITAMINS

 

Vitamin A

700–900 μg/d

Vitamin C

75–90 mg/d

Vitamin D

15–20 μg/d

Vitamin E

15 mg/d

Vitamin K

90–120 μg/d

Thiamin

1.1–1.2 mg/d

Riboflavin

1.1–1.3 mg/d

Niacin

14–16 mg/d

Vitamin B 6

1.3–1.7 mg/d

Folate

400 μg/d

Vitamin B 12

2.4 μg/d

Pantothenic acid

5 mg/d

Biotin

30 μg/d

Choline

425–550 mg/d

ELEMENTS

 

Calcium

1,000–1,200 mg/d

Chromium

20–35 μg/d

Copper

900 μg/d

Fluoride

3-4 mg/d

Iodine

150 μg/d

Iron

8–18 mg/d

Magnesium

310–420 mg/d

Manganese

1.8–2.3 mg/d

Molybdenum

45 μg/d

Phosphorus

700 mg/d

Selenium

55 μg/d

Zinc

8–11 mg/d

Potassium

4.7 g/d

Sodium

1.2–1.5 g/d

Chloride

1.8–2.3 g/d