I am starting a 12.5 dosage of Synthroid ( Close to Hypothyroidism) I am on the following other medications and suppliments: Amiodarone 200, Toprol25 2x,12.5 Aldactone, Norvasc 5, Benazapril20 2x Crestor10 Zemplar (twice a week), 81 ecotrin, Centrum, B100, C1000 2x saw palmetto2x, flax seed, Xanax.25 per day. Pulse around 55-60, Afib under control, BP under control, cholesterol under control. Any concerns, suggestions, advice?