from seed to patient


Swiss expertise in phyto-pharmaceuticals since 1864

We develop innovative phyto-pharmaceuticals for selected indication areas to improve patients’ health and quality of life. The efficacy, safety and tolerability of our medicines have been proven in numerous pre-clinical and clinical studies performed by Zeller and published in peer-reviewed journals worldwide.

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Seed to Patient

Our commitment to the full control of the value chain allows us to guarantee consistency of the processes resulting in high-quality, safe and effective phyto-pharmaceuticals.

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Evidence-based Phyto-Therapy

Our phyto-pharmaceuticals have proven efficacy, tolerability and safety in numerous clinical trials performed by Zeller and published in peer-reviewed journals.

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About Zeller

We are a leading phyto-pharmaceutical company in Switzerland and have a global network of partners. We are continuously looking for new in- and out-licensing opportunities in selected regions.