Optimizing Vitamin D in the Elderly
Conditions
Interventions
- DIETARY_SUPPLEMENT: D3 2000 IU/day
- DIETARY_SUPPLEMENT: D3 4000 IU/day
- DIETARY_SUPPLEMENT: D3 50,000 IU weekly
- DIETARY_SUPPLEMENT: vitamin D3 800 IU/day
Sponsor
University of California, San Francisco