big arms, these guys are most certainly right - before messing around with your thyroid, DEFINITELY read through that mammoth thread I posted in my reply. I wasn't explicit in my post as I thought pointing you to the info would be enough, but I often take for granted that people will research before they take something. Thyroid meds are not to be played with. Know what you are doing before you go into it. That thread has pretty much everything you need to know about TriMax, but also read some of the info on t3 as well so you really understand what is going on and how to properly cycle/recover.