RTN Therapeutics, also known as EkoRTN, is a leading brand specializing in the production of RTN tissue preparations. With a rich history dating back to 1919, the brand was founded by RNDr. Ph.

Mr. Bohumír Rakušan, who dedicated his expertise to developing innovative drugs based on delivering natural substances to the body. RTN Therapeutics is renowned for its pioneering work in biological therapy, particularly in the field of immunomodulation.

The brand's range of medicinal products includes Floristen®, Retisin®, Lyastin®, and Silexil®, which were manufactured by the state-owned company SPOFA after nationalization. EkoRTN continues to follow in the footsteps of its predecessor, focusing on the research, development, and application of natural RTN preparations. What makes their products stand out is not only their effectiveness but also their environmental and ethical considerations.

In addition to developing new preparations, RTN Therapeutics conducts research, building upon the RTN program initiated by Eko, specifically the original RTN122k preparation and the groundbreaking RTN200 product. The brand takes pride in providing partners with eco-friendly and ethically-sourced products. With a strong foundation in history and innovation, RTN Therapeutics combines knowledge from past successful medicinal preparations with present-day requirements