hi i was told last week that i could be hypopit as my tsh is 0.01 free t4 (11) and free t3 (2.1) I have been on thryoxin 50mg from feb this year and was put up to 100mg last week, how long does it take to get into your system as I have notice no change at all still tied, no weight loss etc, also I am waiting on blood test checking if i am hypopit should find out at the end of this week.