1.Natural Dihydroquercetin 2.Favorable price,high quality 3.Bulk stock, prompt delivery 4.Purity 1% -99% 5.GMP Dihydroquercetin1, Specification:NF11 DAB9 DAB102, ISO 9001:2000 Certificate3, Test Methord: HPLC4, CAS NO.: 153-18-4Dihydroquercetin is practically insoluble in water while soluble in methanol and ethanol. is a supplement used to treat poor blood circulation, hemorrhoids, and Meniere's ...