Relieves symptoms of mild upper respiratory tract infections such as colds and flu. Helps to shorten the duration and decrease the severity of cold symptoms. May decrease the incidence of colds. Supports healthy function of the immune system. Premium 1:1 fluid extract (1 mL of fluid extract is equivalent to 1000 mg of dry whole plant) and can be added to drinks and food, making it suitable for children over 2 years.