HG Pharma

HG Pharma GmbH is an innovative pharmaceutical company established in Austria in 2015 by Assoc.-Prof. Priv.-Doz. Dr.med. Ralf Herwig, FRSM and ao.Univ.-Prof. Mag. Dr.rer.nat. Joachim Greilberger. HG Pharma GmbH is specializing in innovating biologic therapies that offer complementary and new treatments in respect to increase fertility and vitality in men, reduction of oxidative stress and therapies for disorders and illnesses where immune system deficiencies play a major role.


Ensuring product research, testing and documentation for the bio-medical industry.

One of the main activities in HG Pharma involves assisting medical companies in medical testing, conduction clinical studies as well as documentation für patenting of new natural remedies and Bio-medical substances.


Innovative new bio medicine therapies to improve health and immune system disorders.

Based on the professional insights and innovations into bio chemistry by HG Pharma's founding partners, HG Pharma holds registered patents for bio-medical products that offers new treatment for: Increased fertility and vitality for men and therapies for illnesses where immunesystem deficiencies plays a major role.

The Founders

ao.Univ.-Prof. Mag. Dr.rer.nat. Joachim Greilberger

Institute of Physiological Chemistry. University Lecturer in Medical Chemistry at the Institute of Medical Chemistry and Pregl Laboratory. University Lecturer in Physiological Chemistry at the Medical University of Graz. Founder and owner of the Institute for Laboratory Science Greilberger.

Assoc.-Prof. Priv.-Doz. Dr.med. Ralf Herwig, FRSM

President of the Austrian Andrological Society, Head of Dept. of reconstructive Urology, Andrology and Men’s Health, Vienna Urology Foundation associated Professor of Urology, Medical University Vienna


Winner of the RULA AWARDS 2020: International best researcher in tumor-immunology

Prof. Dr. Ralf Herwig received the RULA International Award for "Best Research of the year 2020 in Tumor Immunology". In the video you can see a short statement by Dr. Ralf Herwig on the nomination and his work.



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