• CLINICALLY USED MPFF FORMULA - Venalex provides 500 mg Micronized Purified Flavonoid Fraction with 90% Diosmin (450 mg) and 10% Hesperidin (50 mg) for superior absorption and bioavailability. From more than 20 years we are leader of production high quality MPFF Diosmin and Hesperidin Venalex and new generation Flavonoids MPFF.