I here that Bro, I take 75 mcg a day of synthroid because of a slow thyroid. I used to use T3 to trim down and now I have to take a dame pill evety day for the rest of my life. It is a pain in the ass becuase you have to take it on an empty stomach or 3 hrs after you eat. Do not mess with your thyroid it is not worth it. You all read about what could happen but rarely here from some one it happen to. So now you have. Never say it will not happen to me, because when you do, it will.