A clinical study found the Cold-EEZE Zinc Lozenge formula reduces the duration of the common cold by 42%, when taken at the first sign of a cold and used as directed. The double blind placebo controlled study was conducted at the Cleveland Clinic and published in a peer reviewed journal.

*Although the precise mechanism by which zinc ions affect the cold virus has not been scientifically established, the Cleveland Clinic study found that Cold-EEZE lozenges