Zinc lozenges have been shown to reduce the duration of the most frequent occuring human illness in the world, the common cold. Zinc is necessary for the normal function of the immune system & to make the body functions work. It is also needed for the body's enzyme systems. Sucking Zinc lozenges in the first few hours of a cold can bring quick relief, according to medical studies. Sucking a Zinc lozenge can soothe sore throats, relieve cold symptoms & reduce the duration of a cold & are ideal for children or anyone who hates to swallow pills or capsules.