Our colloidal silver is tested for purity and efficacy. We guarantee our colloidal silver to be a true colloid!
Our mean range is 0.002 microns.
Natural Path / Silver Wings' colloidal silver is up to 50 % less expensive by potency compare to our competitors!
Since 1994, NPSW has provided health food stores, practitioners and loyal customers the highest quality colloidal silver on the market.