Video on Glutathione as it pertains to Covid and the immune system, since many of us are immunocompromised.
vashiva.com/dr-shiva-live-b...
The video is about an hour, just get to minute 35 where he explains glutathione deficiency.
continualg.com is a different form of glutathione that is highly bio available. Its a bit expensive (Nalakrats can afford it along with his modified citrus pectin...), but may be OK to have in stock if you think you have been exposed to Covid.
Just trying to contribute.