PROMOTIONS: FREE Shipping on Everything | 50% Off Select Sun Care | 3 FREE Samples

 Polygonum cuspidatum root extract

Extract of the Japanese knotweed plant. When eaten it may have weak estrogenic activity (Source: Bioorganic and Medicinal Chemistry Letters, July 2001, pages 1839–1842) and antitumor activity (Source: Journal of Nutrition, June 2001, pages 1844–1849). It also has antioxidant properties (Source: Biological & Pharmaceutical Bulletin, January 1995, pages 162–166).