"Adequate" Vitamin D intake
1997 - institute of medicine (USA)
200 IU/d -Children and adults to age 50
400 IU/d - men and women aged 50-70
600 IU/d - those older than 70
2005 - Dietary guidelines for Americans
1000 IU/d - Children and adults.
Proposed for patients with Pain
2000+ IU/D - adults.