Honey New Zealand Propolis Extract delivers a guaranteed level of Total Flavonoids. FL refers to the Total Flavonoid Levels found in Propolis. Flavonoids are well known for their antioxidant properties. FL 30 delivers at least 30mg of Propolis Flavonoids per daily dose.Directions: Mix 1ml in water and swallow twice daily or mix 0.5ml in water and rinse around mouth before swallowing twice daily. Do not exceed recommended daily intake.