Fig. 3

Vitamin A content (mcg) in the 63 enteral nutrition formulas evaluated. Figure shows, for each enteral formula evaluated, the calculated content of vitamin A at doses of 1500–2000 Kcal/day (as bars dark gray for 1500 Kcal/day and light gray for 2000 Kcal/day, respectively). Daily tolerable upper limit for vitamin A (as vertical dotted line) is also reported