Euthyrox

Euthyrox is owned by Merck KGaA, headquartered in Germany. No. The ultimate owner of Euthyrox, Merck KGaA, is headquartered in Germany, not in the United States.

Merck KGaA is a leading German multinational science and technology company headquartered in Darmstadt, with a history dating back to 1668. It operates in healthcare, life sciences, and electronics.

Provell Pharmaceuticals (US Distributor), EMD Serono (North American Subsidiary)