These tablets contain the popular traditional herb Echinacea Purpurea, which is gradually released into the system over a period of 2-3 hours. Ingredients each tablet typically provides: Echinacea Purpurea Root Extract 190mg (equivalent herb powder 1000mg) Of which: Polyphenols 7.6mg Quantity Price: £9.79 You may also be interested in... Think Natural Magnesium Formula 90s   £8.49 Think Natural Mega Antioxidant 30's   £6.07