I'm not arguing against this paper, or that Vitamin D could be very helpful for covid-19 and other things. But for casual readers it's good to know that Vitami

I'm not arguing against this paper, or that Vitamin D could be very helpful for covid-19 and other things. But for casual readers it's good to know that Vitamin D is quite potent (it's a steroid hormone, in the same category as estrogen, testosterone and cortisol). Too much is also harmful. https://www.devaboone.com/post/vitamin-d-part-1-back-to-basics https://www.devaboone.com/post/vitamin-d-part-1-back-to-basi... https://www.devaboone.com/post/vitamin-d-part-2-shannon-s-story https://www.devaboone.com/post/vitamin-d-part-2-shannon-s-st... https://www.devaboone.com/post/vitamin-d-part-3-the-evidence https://www.devaboone.com/post/vitamin-d-part-3-the-evidence