Our Blood Cleanser formula is a specific combination of herbs to help aid in the health and purification of the blood. Caffeine-Free.Ingredients: Organic buckthorn bark, organic burdock root, organic red clover blossoms, organic yellowdock root, organic barberry root,and organic licorice root.Warning: NOTICE: This product contains Buckthorn Bark (Rhamnus frangula). Read and follow directions carefully. Do not use if you have or develop diarrhea, loose stools, or abdominal pain because Buckthorn Bark may worsen these conditions and be harmful to your health. Consult your physician if you have frequent diarrhea or if you are pregnant, nursing, taking medication, or have a medical condition.Daily serving size: Pour 8-12 oz of boiling water (212° F) over 1 tsp. of tea. Steep 3-4 minutes.Packaging: To preserve freshness, aroma, and potency, our 4 oz loose teas are packaged in a convenient stand-up pouch with a re-sealable zipper closure.