The local hospital system here in NW South Carolina has been sending emails to staff doctors that Vitamin C & D along with other mentioned over the counter drugs and vitamins have not been proven to be effective for COVID and are not recommended by the FDA.
Doctors are not to give this advise to patients or use these therapies for hospitalized patients. Family members are not allowed to bring these items into the hospital.
WTF. Do everything you can to stay out of the hospital.

Apparently less than 2% of the FDA budget was used for studying COVID last year. I'm sure it was used to debunk any treatment but the VAX.