Situated at the heart of Switzerland – right next to the Hohle Gasse where Wilhelm Tell's arrow hit the mark ...

Dr Dünner uses the most modern GMP certified systems to produce nutritional supplements and natural medicine which might even have brought Gessler back to life.

Dr. Dünner has been active for 60 years in supplying pharmacies, drugstores, health food stores, physicians and midwifes. With the Sambu products, especially with the widely known Sambu elderberry line, the Swiss company of long-standing tradition has also become renowned internationally.

Today, the family business operates around the world and sells natural medicine in a "Made in Switzerland" quality.