How much vitamin D do we need?

Osteoporosis Canada Daily Vitamin D Requirement Recommendations

Age Recommended daily dose
19 – 50* 400 to 1000 IU
Over 50 or those younger adults at high-risk 800 to 2000 IU
Taking more than 2000 IU of vitamin D daily should be done only under medical supervision.

* Including pregnant or breast-feeding women

† High-risk includes people with osteoporosis, multiple fractures, or conditions affecting vitamin D absorption