natural plant extract 1.nettle root extract (95% 3,4-divanillyltetrahydrofuran) Nettle root extract is mainly used as raw material to produce medicine for some diseases, such as prostatic hypertrophy etc. 2. Sesamin 3. Gastrodia elata 4. Cyclamen 5. Hispidulin (4',5,7-trihydroxy-6-methoxyflavone) 6. Pulsatilla 7. Other more natural plant extracts (high purity)