http://www.medications.com/effect/view/6848 Man, I really messed myself up, I guess. I have been taking the 1.50 for a few years now. I am now 55, ...and lately, for the last twenty days or so, I started having daily, all day long palpitations. So I walk four miles a day, or whenever they start up..b Tue, 18 Sep 2007 13:49:30 -0400 http://www.medications.com/effect/view/6848?item=1882 You need to look up the web site for "Wilson's Syndrom," They have a number of supplements that were developed by Dr. Wilson just for thyroid patients. He has one that addresses the issues you can have with the heart. It would be worth your while to che http://www.medications.com/effect/view/6848?item=1882