At Vanan Herbal, your health is our priority. We’re proud to introduce Drs. Han Siem, a pharmacist with over 30 years of experience specializing in interactions between medicines, supplements, and herbs. He runs the Huizerapotheek and de Vitamineapotheek.nl, providing top-quality supplements to 40,000+ patients in the Netherlands and Belgium. Collaborating with 300 therapists, he has authored over 40 publications on medicine-supplement interactions. Now, you can benefit from his expertise to ensure your supplements' safety.