I am not a Dr., and I suggest you take your baby to one.
I can tell you that Vitamin D3 (cholecalciferol) is the preferred form since it is more readily absorbed than vitamin D2.
Usual Pediatric Dose for Vitamin D Deficiency:
Treatment of Vitamin D deficiency and/or rickets:
Infants 1 to 12 months: 1000 to 5000 international units/day for 2 to 3 months; once radiologic evidence of healing is observed, dose should be decreased to 400 international units/day.
Read more at
Again, I strongly advice you to see a Dr.
- Cholecalciferol Information for Consumers
- Cholecalciferol Information for Healthcare Professionals (includes dosage details)
- Side Effects of Cholecalciferol (detailed)
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