Professor Z
@Professor42 · 4:42
My Experience With Covid
And then I think overall my second experience, if you will, may have lasted at best four days. Some of the things that I did and again, this is not medical advice at all, so please do not denote this or highlight it as medical advice. Again, it's not some of the things that I have done. Vitamin D vitamin C vitamin D does help protect against respiratory illness. Vitamin C obviously boost your immune system