About this item What is Colloidal Silver? Is a dietary liquid mineral supplement containing a mixture of ultra pure water and ultra fine silver particles What is part per million (PPM)? PPM is the number of silver particles per serving yields greater concentration and increased immune support. Is Colloidal Silver safe? Yes, due to the unparalleled silver particle size, Silver Wings Colloidal Silver can be safe for the whole family. Natural Path Silver Wings provides immune support for your whole family.