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Table 4 Percent of adults with nutrient intakes below the Estimated Average Requirement (EAR), for nonusers of dietary supplements as compared to users of dietary supplements (DS users), in NHANES 2003-2006

From: Health habits and other characteristics of dietary supplement users: a review

Nutrient

% Below EAR, nonusers

% Below EAR, DS users

Vitamin A

58

2

Vitamin C

48

3

Vitamin D

96

25

Vitamin E

96

5

Folate

14

1

Calcium

51

20

Iron

8

0.6

Zinc

13

0.3

  1. Nutrient intakes for DS Users include nutrients contributed by dietary supplements [18, 19].