T3 vs T3+T4 = big difference?

lachu543

New member
Hi,

I can use two products, T3 ( 25mcg ) and T3+T4 ( 20mcg T3 + 100mcg T4 ). Big difference beetween it?

I mean for example

50mcg T3 vs. 40mcg T3 + 200mcg T4 ?
 
Well T4 just converts to T3 in the body... You get roughly 1/4 conversion rate. So 200mcg of T4 roughly = 50mcg T3.

I dont know of any benefit to running both at the same time.
 
Unless you're hypothyroidic, I'd stick to the T3 as you're suppressing conversion anyway. I know there's a vet on here that has experimented a great deal, and I believe he found optimal results with just t3 as well.
 
Unless you're hypothyroidic, I'd stick to the T3 as you're suppressing conversion anyway. I know there's a vet on here that has experimented a great deal, and I believe he found optimal results with just t3 as well.

Does exogenous T3 suppress the conversion rate? Or just production of endogenous T4?
 
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