nature’s best® echinacea cold & flu relief tablets is a traditional herbal medicinal product used to relieve the symptoms of the common cold & influenza type infections. 210 mg echinacea root extract per daily dose traditionally used for cold & flu relief made to uk pharmaceutical standardnature's best sport offers a world class range of premium uk made supplements.herbal medicines explained//aherbal_medicines_explained to read the patient information leaflet please click here