Rhodiola rosea extract is natural from the root of Rhodiola rosea. The main ingredients are salidroside, rosavin and Rosavins. And there are 2 varieties of Rhodiola, Rhodiola crenulata and Rosa roseola.Rhodiola crenulata can only extract one main ingredients: salidroside, and Rosa roseola can extract both rosavins and salidroside. The Rhodiola raw materials used are produced in Xinjiang Province of China. The extreme climatic conditions attribute to the good healthcare effects for Rhodiola rosea extract.