Wearing my vitamin D T shirt
you can see the list at Vitamin D intervention – 1204 clinical trials – May 2014
There have been more US intervention trials for vitamin D than for vitamins A, C, E, and K combined
D = 1204, vs 1023 = Total A+C+E+K (A =225 + C =340 + E =328 + K =130)
Additional statistics for US Vitamin D Intervention trials
- 802 trials for those 65+
- 252 trials for children (age 0-17)
- 1071 trials updated information since Jan 2010
- 744 trials registered since Jan 2010
- 135 health problems had 10+ trials
- 33 health problems had 40+ trials
Note: It typically takes 5-15 years to see the results of Vitamin D Clinical Intervention Trials
- Typically the intervention trials are for chronic diseases - which require a trial lasting 5-20 years
- The publishing of results, including peer review, often takes an additional 3-5 years, as there is no funding by Big Pharma to publish quickly