【How-to】How much vitamin d can a child take

Excessive vitamin D from dietary supplements can be dangerous for children. … As reported by the Office of Dietary Supplements, the tolerable upper intake levels of vitamin D for children are 2,500 IU for kids from 1 to 3, 3,000 IU for children ages 4 to 8, and 4,000 IU for children who are 9 and older.