Hu Zhang, commonly known as Japanese knotweed, is a large, herbaceous perennial plant of the family Polygonaceae, native to Eastern Asia in Japan, China and Korea. An excellent source of vitamin A, along with vitamin C and its cofactor, the antioxidant flavonoid rutin, Japanese knotweed also provides potassium, phosphorus, zinc, and manganese. Japanese knotweed also an excellent source of resveratrol.

We strictly use Only Certified or ethically sourced wild harvested raw material, vegetable palm glycerin and crystal clear artesian purified water! Really the BEST Hu Zhang herbal glycerite on market!. Super concentrated Hu Zhang Glycerin based liquid extract: dry material / solvents ratio is 1:3!. High Quality Hu Zhang NON-Alcohol liquid extract- we use classic conventional methods of extraction! We meticulously produce our extracts according to precise standards where each herb is extracted according to the distinct characteristic of each plant!. Hu Zhang Glycerite contains ONLY natural ingredients! Alcohol Free! Gluten Free! Non-GMO!.

Best Sellers Rank: See Top 100 in Health & Household. Material Feature: Gluten Free, Genetically Modified Organism (GMO) Free, Natural. Diet Type: Gluten Free. Age Range (Description): Adult. Brand: HawaiiPharm. Item Form: liquid. Country of Origin: USA. : B01A3O1X12. Manufacturer: HawaiiPharm. Date First Available: January 10, 2016. Package Dimensions: 2.3 x 1.8 x 1.6 inches; 2 Ounces.