Effect of ZIA 100 Lozenges on Duration of Colds

Effect of ZIA 100 Lozenges on Duration of Common Colds

About 20% of the zinc-treated group are symptom free after 1 day of treatment versus none for the placebo-treated group.  On day 4, 75% of the zinc-treated subjects are well versus about 25% for placebo-treated patients.  On day 7, about 9% of the zinc-treated subjects remained ill, versus 50% of the placebo-treated patients.  Statistical significance occurred from hour 12 throughout the 7th day. day.