“What most articles on the steroid, Vitamin D, fail to explain is that is can be immunosuppressive. After having personally experienced this effect, I found evidence on this site: http://www.marshallprotocol.com/
No matter what your stance is on Vitamin D, this site offers information that gives a more rounded view scientifically of the negative side effects in certain individuals.
Also, http://bacteriality.com/ offers an amazing amount of information that will surely challenge people who take vitamin D.
I took 4000 IU for a long time and noticed that my immune system was undermined and when I went down to 1000 IU per day, my immune system improved. The immune system is very complex. Consumers should take time to research all the information on Vitamin D, and not just listen to the media or even the Vitamin D council whose theories are greatly challenged by the above listed websites.”
Pete59 on Dec 12, 2010 at 11:45:18
“Marshall et al have never provided any evidence that 25(OH)D causes an overall suppression of the immune system. 25(OH)D is part of the innate immune system. If the innate system is working correctly you would expect less inflammation because there is less disease. I have taken 5,000IU to 10,000IU a day for years, only at this level did my immune system start to work correctly. I have examined the Marshall Protocol for years looking for evidence it was true, they have never provided any evidence that vitamin is an immune suppressant.”