More info on iodine vs iodide

from YT at (594) Rampant BA 5 - YouTube

David Pennington

2 weeks ago
About the rant...basic chemistry mistake, John. The iodine absorbed
from seaweed is iodide, the anionic form of iodine, which has no
antiviral activity. It has to be iodine itself, whether free or
conjugated, as it has a similar disinfectant power to chlorine, due to
a powerful oxidising effect. However, both pure iodine and chlorine
are poisonous, as you know...the body cannot tolerate them. Iodine is
used by the thyroid in the form of iodide only. Whether an excess is
expressed in mucus makes no difference...it will have no antiviral
activity. If the Japanese intake of seaweed was so important, why is
Japan experiencing the same massive current wave of BA5 as everywhere
else?
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michael hart

12 days ago
Yes, David, that was my response. If free Iodide, not Iodine, had any
significant general anti-viral activity it would surely be in the
literature by now. Chlorine is also a good disinfectant (though not as
good as Iodine), but putting chloride (i.e. salt) in swimming pools
would not help disinfect the water.
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K Dub

12 days ago
Povidone iodine spray in the nose
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NEWdansuyume

11 days ago (edited)
That doesn't rule out the possibility that there is some other
mechanism behind this. Or you know, Dr. Spector's pet theory: gut
microbiome. Japanese people (not all, but the majority) love miso,
natto and pickled vegetables and plums. They do have increasing cases
at this time, however. I think we can all agree about the frustration
with Covid!
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Michael Berry

11 days ago
@NEWdansuyume I heard something similar but natto popularity is
quite regional (higher in Kanto, less in Kansai). Mito (city in
Ibaraki prefecture) is their natto "capital" and has low covid levels
but then it's really rural (we say "inaka" in Japan) and the cities
get it worst anyway.