Now Foods Fo-Ti is a dietary supplement containing powdered Fo-Ti root (Polygonum multiflorum) , also known as Japanese knotweed . This woody perennial plant is native to China, where it has held an important place in traditional herbal systems for centuries. It remains a popular ingredient in the daily diet of those seeking a complementary herbal diet. Each capsule provides 560 mg of powdered Fo-Ti root . This product contains no artificial additives – just the root, a plant capsule shell, and minimal technical ingredients. Key Features of Now Foods Fo-Ti 560 mg of Fo-Ti root powder in one capsule. A traditional plant from China. Product suitable for vegetarians. Gluten free, GMO free, soy free. 100 capsules – up to 50 days of supplementation.