Schlafsterne

Schlafsterne is owned by Retorta GmbH, headquartered in Germany. No. The ultimate owner of Schlafsterne, Retorta GmbH, is headquartered in Germany, not in the United States.

Retorta GmbH is a German pharmaceutical entity specializing in the production and distribution of over-the-counter medications, particularly those focused on common ailments like sleep disorders.