Herbal Supplement. No. 1 pharmacist recommended (Based on Pharmacy Times Survey of pharmacists recommending herbal supplements). Whole herb. No color added. No artificial flavors. No preservatives. No yeast or starch. Gluten free. Purity, quality guaranteed. Color variation is normal in this product. www.NatureMade.com. Echinacea Capsules are made to Nature Made's guaranteed purity and potency standards.