CLRS Kuding Tea contains bitter saponin, amino acids, vitaminc, polyphenols, flavonoids, caffeine, protein and other 200 kinds of ingredients. The finished tea with bitter fragrance has the function to cool down summer heat, enhance eyesight, quench thirst, strengthen heart, nourish throat to stop coughing, bring down blood pressure, loose weight, supress tumor, anti-cancer, anti-aging. It is popularly known as the longevity tea