The MOA is that vitamin D leads the immune system into the b-cell direction (cells that create antibodies), away from the t-cell creation (killer cells). The cytokine storm kills with too many t-cells running amok.
DrBeen Medical Lectures about vitamin D + some links to studies: https://youtu.be/IpFdbu_AMI8 (in the intro he misspoke about vitamin C, but it is about D)
So it’s correct vitamin D will prevent the T cells from going crazy and help prevent a cytokine storm by shifting your immune system to produce antibodies.
Yes. Somehow the virus shifts the immune response to t-cells and vitamin D is the counter move. Vitamin D even works when giving late IV in high dosage, but because it needs time to build up it's better to maintain a healthy level all the time.
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