Quercitin for Colitis?

Please tell me what you know about quercitin for the treatment of colitis. Thank you!

The bioflavonoid quercitin is used in treatment of colitis for its anti- inflammatory, immune boosting and blood vessel strengthening activities. Flavonoids neutralize free radicals that damage to intestinal tissue. Quercitin is safe in the recommended dosages, and without side effects.
For more information on colitis, please see our web page at www.richters.com. Choose "Q&A" from the main menu, and enter "colitis" for the search.