(sales6 at lgberry dot com dot cn) The English name: nettle extract, nettle root extract This material is called 3,4-divanillyltetrahydrofuran 95%(HPLC).It is extracted from a special wild nettle plant that only exists in DaXingAnLing area. It is a new generation ingredient designed for sports supplement. It can fairly increase muscle power for athlete, very active and fast. Also can be used in pharmaceutical, and has positive effect on sexual ability.