I woke up this morning and took 25mcg of liquid T3, for the first time and went straight to the treadmill. With in 15 minutes, I was sweating my balls off, heartrate was definitely jacked up (HR monitor was not working on my treadmill so I can't give a number), and I felt sort of light headed. Afterwards, I made my breakfast and could not stop sweating. I literally had to wrap a towel around my head to prevent my sweat from falling into my bowel of oates. Can this stuff really kick in that quickly and is this normal even with such a low dose?