Too Much of a Good Thing?
Percentage of 2- to 8-year-old children exceeding tolerable intake level
Kids who take vitamins
Kids who don't
Created with Raphaël 2.1.2
Niacin
10
Kids who don't
20
30
40
50
60
70
28
Niacin
8
69
Zinc
45
72
Vitamin A
13