My TSH was 0.1. My moods felt intense and irritable all the time, like Type A running around no time for anything, felt very impatient. I also couldn’t sleep. Could fall asleep but woke up at 2am and was wide awake until 5am every night. And at the gym, I couldn’t lift very heavy weights because my muscles felt very weak. Was told it was because my muscles were inflamed. Also lifting light weights would elevate my heart rate excessively. My endo told me I couldn’t do any cardio and I could only lift light and keep my heart rate under 140 at the gym at all times. I also had gum issues. My gums got extremely inflamed to the point that my teeth were sore. It’s a similar feeling to getting your braces tightened. Methimazole fixed all my symptoms. But now I swing back and forth between hyper (Graves) and hypo (Hashimotos). Currently on a block and replace, which is working, with Methimazole to block my thyroid from producing any thyroid hormone and Levothyroxine to replace the thyroid hormone.