Uni-Pharma T4 levothyroxine sodium

T4 is a prominent pharmaceutical product containing levothyroxine sodium, used for the treatment of thyroid disorders. It was developed and is manufactured by Uni-Pharma Kleon Tsetis Pharmaceutical Laboratories S.A., a leading Greek pharmaceutical company.

The brand has a storied history in Greece, where it was granted marketing authorization in July 1981 and has since become one of the country's most recognized legacy brands. It is produced at Uni-Pharma's state-of-the-art bioclimatic manufacturing plant in Kifissia, Greece. The brand is a core part of the Tsetis Pharmaceutical Group (OFET), which remains a privately held family-owned conglomerate. Today, T4 is authorized and distributed in numerous countries across Europe, Asia, and Latin America, maintaining its status as a critical therapeutic option for patients requiring thyroid hormone replacement.