* Active ingredient: 3, 4-divanillyltetrahydrofuran

* content: 95%

* detection method: HPLC

* Appearance: coffee color powder

* 3, 4-divanillyltetrahydrofuran is extracted from a special wild nettle that only exists in DaXingAnLing area.

* Nettle root extracts have been extensively studied in human clinical trials as a treatment for symptoms of benign prostatic hyperplasia (BPH). These extracts have been shown to help relieve symptoms compared to placebo both by themselves and when combined with other herbal medicines.

3, 4-divanillyltetrahydrofuran which Nettle root extracts contains, are used by bodybuilders in an effort to increase free testosterone by occupying sex-hormone binding globulin. It can fairly increase muscle power for athlete, very active and fast. Therefore it is a new generation ingredient designed for sports supplement. Also it can be used in pharmaceutical, and has positive effect on sexual ability.