Nature's Way's popular Echinacea purpurea is organically grown by Trout Lake Farm, Washington. Usage: Echinacea purpurea supports the immune system. It grows wild and was used by the plains Indians more than any other herb. Echinacea is one of the most researched herbs, as its benefits have been shown in many European research clinics. Recommended Daily Dosage: Take two capsules twice daily with water at mealtimes. After taking Echinacea for six to eight weeks, a two- to four-week break is recommended before restarting use for best results. 100 CAPS