Ahh you are right, thanks for the correction. D looks like upper tolerable dosage is around 4000IU/day for 9+ years old. Some studies apparently see overt tox

Ahh you are right, thanks for the correction. D looks like upper tolerable dosage is around 4000IU/day for 9+ years old. Some studies apparently see overt toxicity after several months of 50000IU/day dosages.