True Colloidal Silver, 10 PPM Safe Yet Effective Solution! Whole Body Health & Natural Immunity Support Dietary Supplement Virtually TastelesspHion Silvagen is formulated to eradicate acid-causing "critters" that attack and weaken the body"s immune system. pHion Silvagen blocks the energy supply to microscopic critters, which in turn allows your immune to perform in an optimal state.pHion Silvagen is leading colloidal silver for the body: Proven to kill microscopic critters Helps balance pH by reducing toxins within the body Single-charged colloidal silver in base of distilled water Non-toxic and virtually tasteless