Perfect after-sale service, we have confidence in our products, if you have any dissatisfaction after receiving our burdock tea bags, please contact us via mail, we guarantee you a full refund or Reissue service, 100% solve the problem for you. Burdock root tea has many benefits to the human body, which can strengthen the body's immune system and promote digestion. Relieve stress and anxiety, promote sleep and more. The burdock tea bag retains the original flavor of burdock, with a sweet and delicious taste, with the unique aroma of burdock. The burdock is grown naturally, and no preservative,no additives are used in the whole production process. After the burdock root is dried and sliced, it is packaged in a food grade tea bag. The burdock root is caffeine-free and 100% natural. Our burdock is grown on natural farms where the land is fertile and yields high quality burdock roots.