Fresh Herb Extract by Natural Factors $23.09 1.7 fl. oz. Tincture - $23.09 Size 1.7 fl. oz. Tincture 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart ECHINAMIDE® is the world's finest echinacea, grown and harvested on organic farms of British Columbia, Canada. Rigorous testing and quality control ensure purity and optimum potency.