A bioflavonoid is another term for a flavonoid - any of various compounds which are plant metabolites - which have antioxidant properties.

antihistamines: vitamin C and the bioflavonoid hesperidin act as natural anithistamines.

The bioflavonoid is considered as vitamin because it is also called vitamin P. It is occurring citrus fruits and has four categories which are: green tea polyphenols, quercetin, citrus bioflavonoids and proanthocyanidins.

Quercetin is a natural bioflavonoid that helps sinuses, skin, bone health, nerves, and toxin clearance in the GI tract. It is also a helpful nutrient for congestion, mild allergies, or breathing issues.

.Various categories of alternative remedies may be helpful in allergy treatment,including:.vitamin C and the bioflavonoid hesperidin act as natural anithistamines.the dietary supplement N-acetylcysteine are believed to have decongestant effects.