Since 1999, Sovereign Silver features the smallest particle size silver (0.8 nanometers) solution ever with a low concentration of 10 ppm, making it safe for consumption. They manufacture the #1 selling colloidal silver product on the market today. Featured formulas include throat spray, nasal spray and gel formulas. All silver products are gluten free, non-GMO and safe for vegetarians and vegans. Everything you’ve heard about silver rings true with Sovereign Silver!