Natural Immunogenics manufactures the purest, safest*,
and most effective colloidal silver hydrosols ever seen in the history
of colloidal technology. Sovereign Silver® is the #1-selling colloidal
silver product on the market and is available in over 7,000 health food
stores across the U.S., Canada & Europe. Our professional brand,
Argentyn 23®, is trusted by thousands of doctors.