The deep red, yellow, blue, and green colors of many flowers and plants are due to their bioflavonoid content. Bioflavonoids include proanthocyanidins, anthocyanidins, pycnogenol, quercetin, rutin, hesperidin, citrus bioflavonoids and green tea polyphenols and are sometimes referred to as vitamin P.


Physiologic Functions:

Clinical Indications:

Signs and Symptoms of Deficiency:

Causes of Deficiencies:


Toxicity and Side Effects:

Drug/Nutrient Interactions:

Copyright 1998 - 2008 by L. Vicky Crouse, ND and James S. Reiley, ND. All rights reserved (ISSN 1527-0661).