Denne lenken beskriver blant annet ulike varemerker av naturlig thyroid i ulike land: http://www.essortment.com/articles/n...one_103892.htm
... Many countries have natural thyroid medications. Canada has its own natural thyroid manufactured by Erfa called "Thyroid." Germany's thyroid is named "Thyreogland." Italy's is called "Cinetic." Canada, Germany and Italy use dried thyroid. Even Thailand manufactures a very popular natural thyroid hormone called "Thyroid-s" and the main ingredient is USP.