Paul Saladino· MD
t4 is the only thing that converts into the reverse t3 the inactive form okay
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t4 is the only thing that converts into the reverse t3 the inactive form okay
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t4 has four iodines on the molecule and i'll show a diagram of that in a moment and t3 has three iodines reverse t3 also has three iodines on the molecule but they're in different spaces
And reverse T3 is an inactive form.
So there's no pathway to go from reverse T3 back to T3.
If you remove the iodine from the inner ring, you make reverse T3. ... whereas T3 is a super active molecule, reverse T3 is dead.