Are There Different Types Of Levothyroxine?

Are There Different Types Of Levothyroxine? Several brand-name synthetic levothyroxine preparations are currently available. These include Levothroid, Levoxyl, Synthroid, Tirosint and Unithroid in the United States; and Eltroxin and Euthyrox in Canada. Although all these medications are synthetic levothyroxine, they are not identical. Are all brands of levothyroxine the same? There are different manufacturers that