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Although bioflavonoids are not true vitamins in the strictest sense, they are sometimes referred to as vitamin P. Bioflavonoids are essential for the absorption of vitamin C, and the two should be taken together. There are many different bioflavonoids, including citrin, eriodictyol, flavones, hesperetin, hesperidin, quercetin, quercetrin, and rutin. The human body cannot produce bioflavonoids, so they must be supplied in the diet.
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Peppers, buckwheat, blackcurrants and the white material just beneath the peel of citrus fruits contain flavonoids. Sources of bioflavonoids include apricots, blackberries, cherries, grapefruit, grapes, lemons, oranges, plums and prunes. Herbs that contain bioflavonoids include chervil, elder berries, hawthorn berry, horsetail, rose hips and shepherd’s purse.
Bioflavonoids – Functions and Sources