Argentyn 23® is an exclusive proprietary formula designed to provide safe and precise levels of functional silver. Argentyn 23® features a unique particle size (average 0.0008 microns) and ultra-fine dispersion that may enhance bioavailability of silver ions. The silver content is 99.99% pure. Vegan, non-GMO, and free from gluten and other common allergens. This preparation of silver is highly successful in managing infections in the nasal sinus pathway including MARCONS.