CFN Quercitin 60 capsules. Presentation: Glass Boat 60 capsules. Ingredients per capsule% RDA Plant flavonoids 480 mg Vitamin C 20 mg. 33 Ananas comosus 50 mg. Citrus Bioflavonoids 30 mg. Rutin 20 mg. This product should not be used as a substitute for a balanced diet. How to use: 2-3 capsules per day.