Quick Blast anti-cold, from Natural Factors' Echinamide range, provides rapid relief from throat irritation and nasal congestion caused by cold and flu viruses. Laboratory studies have shown that the active ingredients in Echinacea can act on viral infections of the upper respiratory tract as soon as they appear. Stimulates the immune system, so the body can fight viral infections as soon as they appear. Patented organic echinacea extract also containing eucalyptus, peppermint, menthol and lemon in a honey base.