Tribulus Terrestris Extract Details Product Name: Tribulus Terrestris Extract Herb Source: Tribulus terrestris L. Active Ingredient: Tribulus Terrestris Saponin Specification: 20%-90%  Appearance: Light Brown Fine Powder Test Method: UV CAS#: 90131-68-3 What Is Tribulus Terrestris Extract ? Tribulus terrestris is a herb that has been used in the traditional medicine of China and India for centuries. It is a flowering plant in the family …