Vitamin D Supplement Dose Newborn : Enfamil D Vi Sol Vitamin D Drops For Infants Supports Strong Bone Health 50 Ml Dropper Bottle Walmart Com Walmart Com - Learn more about vitamin d uses, effectiveness, possible side effects, interactions, dosage, user vitamin d supplements may be necessary for older people, people living in northern latitudes, and while these doses of vitamin d are likely safe, there is no good data to support the use of vitamin d.