Experience Pure Colloidal Silver Institut Katharos Colloidal Silver is crafted with just two ingredients: ultrapure water and 40ppm silver. This simple formulation ensures you receive a high-quality colloidal silver product without fillers or impurities. Included E-Book for Deeper Understanding With every purchase, you will receive a free E-book that provides insights into the world of colloidal silver. This resource aims to support your knowledge and understanding of this unique supplement. Natural Sourcing and Eco-Friendly Packaging Our colloidal silver is made using carefully selected ultra-pure water, ensuring the highest quality. Each bottle is encased in beautiful amber glass, reflecting our commitment to preserving the purity of the product while also being environmentally conscious. Transparent and Certified Quality Institut Katharos is dedicated to transparency. Our colloidal silver has been rigorously tested by three independent laboratories, ensuring that our formulation meets high standards. You can access lab certification on our website, confirming our 40ppm concentration. All our products are produced and packed in France by a dedicated team passionate about delivering quality. This colloidal silver is an ideal companion for your daily routine. Make sure to explore other colloidal silver products to complete your wellness collection.