What is the recommended adjustment for Synthroid (levothyroxine) dosage in a pregnant woman with pre existing hypothyroidism? Vitamins to be taken away from thyroid medication This medication is one of the most commonly prescribed medications for thyroid dysfunction. I'm talking about levothyroxine. And while it may silence symptoms for a time, it doesn't heal the thyroidand it Biosynthesis of L Carnitine from lysine Download Scientific Diagram Rx Item Levothyroxine 100% Powder(Non Sterile Pharmaceutical Grade ) 1Gm B