nurturepro Nano Colloidal Silver is made from 99.99% pure ti silver particles suspended in purified water. Silver has been wellknown for its effective use in preventing infections and fighting germs for centuries.An antimicrobial, antifungal, antiviral & antiinflammatory agent100% safe and healing to fight infections and germs, colloidal silver is one of the best goto treatments for wounds for your canine buddy. Use as a natural alternative to antibiotics and as an allpurpose remedy for bacterial and viral infections and illnesses.