Dr O goes into depth about Vitamin D, how it affects the immune system, how it interacts with other vitamins, and how it relates to the current crisis of Covid-19. The sun is the best source of it, however, depending on your skin color and in which climate you live it may not be possible to get it exclusively from the sun. There are different ways to supplement it and he talks about dosage and dosage consistency.

W: https://movementismedicinepodcast.com