| Brand | Vitamin D per serving (IU) | Serving size |
|---|---|---|
| Carlson Baby D Drops | 400 | 1 drop |
| Enfamil Poly-Vi-Sol Multivitamin Supplement Drops | 400 | 1 mL |
| Enfamil Tri-Vi-Sol Vitamins A, C & D with Iron | 400 | 1 mL |
| Sunlight Vitamins Just D infant vitamin drops | 400 | 1 mL |
| Twinlab Infant Care Multivitamin Drops with DHA | 400 | 1 mL |