| TRADE | COUNTRY |
| Berlthyrox | Germany |
| Eferox | Germany |
| Elthyrone | Belgium |
| Eltroxin | Canada |
| Eltroxin | Czech Republic |
| Eltroxin | Denmark |
| Eltroxin | England |
| Eltroxin | Hungary |
| Eltroxin | Indonesia |
| Eltroxin | Ireland |
| Eltroxin | Israel |
| Eltroxin | Korea |
| Eltroxin | Malaysia |
| Eltroxin | Netherlands |
| Eltroxin | Pakistan |
| Eltroxin | South Africa |
| Eltroxin | Switzerland |
| Euthyrox | Argentina |
| Euthyrox | Austria |
| Euthyrox | Belgium |
| Euthyrox | Brazil |
| Euthyrox | Bulgaria |
| Euthyrox | China |
| Euthyrox | Czech Republic |
| Euthyrox | Germany |
| Euthyrox | Hungary |
| Euthyrox | Netherlands |
| Euthyrox | Philippines |
| Euthyrox | Poland |
| Euthyrox | Singapore |
| Euthyrox | Thailand |
| Euthyrox | Venezuela |
| Eutirox | Chile |
| Eutirox | Costa Rica |
| Eutirox | El Salvador |
| Eutirox | Guatemala |
| Eutirox | Honduras |
| Eutirox | Ireland |
| Eutirox | Italy |
| Eutirox | Mexico |
| Eutirox | Nicaragua |
| Eutirox | Panama |
| Eutirox | Peru |
| Eutroxsig | Australia |
| L-Thyroxine | France |
| Levaxin | Sweden |
| Levothroid | Spain |
| Levothyrox | France |
| Levotirox | Italy |
| Levotiroxina | Ecuador |
| Narval | Uruguay |
| Oroxine | Australia |
| Oroxine | Malaysia |
| Oroxine | Singapore |
| Pondtroxin | Thailand |
| Synthroid | Brazil |
| Synthroid | Canada |
| Synthroid | Korea |
| T4KP | Thailand |
| Thevier | Germany |
| Thyradin S | Japan |
| Thyrax | Belgium |
| Thyrax | Czech Republic |
| Thyrax | Hungary |
| Thyrax | Indonesia |
| Thyrax | Netherlands |
| Thyrax | Philippines |
| Thyrax | Portugal |
| Thyrax | Spain |
| Thyrex | Austria |
| Thyro-4 | Bulgaria |
| Thyro-4 | Greece |
| Thyrosit | Thailand |
| Thyroxin | Finland |
| Thyroxin-Natrium | Norway |
| Tiroidine | Mexico |
| Tiroxin | Colombia |