IndicationsSupports immune functionRelief of cold and flu symptoms.Relief of mild upper respiratory tract infection symptoms.May reduce the severity and duration of colds, flu and upper respiratory tract infections.Treatment of colds and flu.Treatment of upper respiratory tract infections.May reduce the risk of developing upper respiratory tract infections.For maximum benefit, start taking immediately at the onset of acute symptoms.Contains alkylamides.Alkylamides are considered to be the most important constituents of Echinacea root extracts.,