Hyperthyroidism Support Group
Hyperthyroidism (or "overactive thyroid gland") is the clinical syndrome featuring weight loss (often accompanied by a ravenous appetite), fatigue, weakness, hyperactivity, irritability, apathy, depression, polyuria, and sweating. Additional symptoms may include palpitations and arrhythmias (notably atrial fibrillation), dyspnea, loss of libido, nausea, vomiting, and...
Yes, exactly as brans said, CoQ10 as well as Magnesium is great for muscle pains.
I am also looking into MSM for additional help. As far as I know, it safe for those with hypERthyroidism or GD, I'm not sure about hypOthyroidism.
Take care... :-)