Big Pharma types get upset if ANYONE is selling supplements. Supplements are generally nature’s remedies, available for pennies on the dollar compared to medications created by mankind (which are often just gene modified supplements, so they can be patented).
But Big Pharma can make $1 TRILLION off experimental medications, and lie about all the test results that show how dangerous they are, and that’s perfectly fine, of course.
Ironically, I was not a big “supplement” person prior to Covid and often thought that a trip to GNC just meant you would have really expensive urine as our bodies were capable of meeting our needs with a balanced diet.
Based on lots of reading and skepticism I certainly concluded that vitamin D can have an impact on Covid! In fact, I am still angry that our public health folks never put this out - not as a “cure” but as a safe supplement that might minimize the impact of the virus. How many lives and how much misery might have been avoided is still unanswered to me, but I do believe it would have made a difference.
I have a whole stockpile now of different supplements and took them all when I finally caught it in August of last year (mild flu). Same for my family and our older immediate family - we are all still here!