A traditional herbal medicinal product Contains Echinacea purpurea Root Extract For the relief of symptoms associated with the common cold and influenza type infections The Holland & Barrett Echinacea Cold & Flu Capsules are a traditional herbal medicinal product used to relieve the symptoms of the common cold and influenza type infections. This is based on traditional use only. Take 1 a day as soon as you notice the first sign of a common cold. A traditional herbal medicinal product Contains Echinacea purpurea Root Extract For the relief of symptoms associated with the common cold and influenza type infections The Holland & Barrett Echinacea Cold & Flu Capsules are a traditional herbal medicinal product used to relieve the symptoms of the common cold and influenza type infections. This is based on traditional use only. Take 1 a day as soon as you notice the first sign of a common cold.