Harald Pfeffer, MD
Inspired by his rescue as a child, Harald Pfeffer dedicated himself to medicine. In 1976, he opened his own practice, which he handed over in 2003 to remain true to his vision "Health belongs in the world, not within four walls". With Vitabay, this vision became reality. All our products meet the standards of a medical device and are the result of over half a century of medical knowledge, research, and development. With his own patents, products, and formulas, he shapes not only Vitabay but the entire supplement industry.
FAQ
What makes this colloidal silver better than other products on the market?
Our colloidal silver stands out due to its exceptional purity of 99.99% and the optimal proportion of positively charged silver ions. It is manufactured according to international quality standards and filled in a protective, phthalate-free brown glass bottle. This is how we guarantee the highest quality, safety, and sustainability.
Is the product safe and laboratory-tested?
Yes, every batch of our colloidal silver is strictly laboratory-tested to guarantee purity and quality. It contains no nanoparticles, preservatives, or other additives. Our production adheres to international standards, ensuring you receive a safe and reliable product.
Why is the product offered in a brown glass bottle?
The brown glass bottle protects the product from light exposure, optimally preserving the stability and quality of the colloidal silver. Furthermore, it is environmentally friendly and phthalate-free – another contribution to sustainability.
Why should I choose a product from Germany?
Products from Germany, like ours, stand for strict quality controls and the highest standards. Our colloidal silver is manufactured, tested, and bottled under careful conditions to offer you the best possible quality you can trust.



