Vitamins - Bioflavonoids - Source

Ideal sources of bioflavonoids include apples, apricots, berries, blueberries, broccoli, cantaloupes, currants, flaxseed, green peppers, green tea, legumes, onions, papaya, parsley, red wine, rice, rose hips, tomatoes, and whole citrus fruits.

Bioflavonoids are also available as a separate supplement in a variety of doses. They are commonly incorporated into vitamin C preparations to facilitate absorption.