Since 1994, NPSW has manufactured pharmaceutical grade colloidal silver(50PPM,250PPM and 500 PPM) products superior in quality and concentration (up to 50x more silver particles per serving) for immune support with no side effects.
NPSW silver smallest particles (0.6-3 nanometers) are verified at independent laboratories. Our products are supported by years of clinical/university research, doctors, health food stores and customer testimonials. Safe for the whole family.
Brands: Natural Path / Silver Wings