Sovereign Silver is an American silver ion (colloidal silver) product brand founded in 1999. The brand has a history of about 20 years, but founder Steven L. Quinto's research began in 1966, and the results of more than 60 years of research have led to the brand's credibility. Today, it is the No. 1 selling silver ion (colloidal silver) product brand in the US and is loved all over the world, including in the US, Canada, Europe, and the UAE. (Based on a survey by SPINS, USA, for the fiscal year 2019 total)