Then you're stupid. And I don't think you're stupid! So you're a liar.I have no idea what you're talking about.
All true.Vitamin D is critical to good health and particularly a healthy immune system.
Vitamin D deficiency is a big problem, particularly in the higher latitudes.
Vitamin D sufficiency is NOT just an anti-COVID measure.
False. The vaccines, even the Russian ones, are better preparation for catching the covid than just vitamin D is alone, all other things being equal.Sufficient vitamin D levels are far superior to the supposed vaccines.