A few months back I wrote an article about the only randomized controlled trial that had at that point been done on vitamin D as a treatment for covid. That trial, which was carried out in Spain, showed very impressive results. There was an incredible 96% reduction in the relative risk of requiring ICU treatment among those treated with 25-hydroxyvitamin D (an activated form of … Read more
A new article has just been published in the Journal of Steroid Biochemistry and Molecular Biology looking to see if an oral vitamin D supplement can be used to cure covid-19. Considering that vitamin D is cheap, widely available, and safe, it would be pretty miraculous if that turned out to be the case.
The article describes a randomized controlled trial that was carried out … Read more
A new study has just been published in JAMA (the Journal of the American Medical Association) that seeks to answer this question definitively. This subject has been somewhat controversial, because observational studies have tended to show a positive effect, while randomised clinical trials have failed to show any effect. Usually you would trust the trial data more than the observational data, but these trials were … Read more
This question has actually been pretty thoroughly researched, so it should be possible to come up with a conclusive answer. A systematic review and meta-analysis of the collected data was published in the British Journal of Medicine in 2017. The review was funded by the National Institutes of Health (NIH). No companies standing to benefit from the sale of vitamin D supplements were involved in … Read more