Definition of Quercetin:

A highly active bioflavonoid which is absorbed most effectively in combination with bromelain.

Topics Related to Quercetin

Allergic Rhinitis / Hay Fever

...recommendation Elderberry / Sambucol
“Elderberry is rich in Vitamin C and the bioflavonoid quercetin, both of which are powerful antioxidants and anti-histamine nutrients...”
...recommendation Bioflavonoids
“Plants high in bioflavonoids such as quercetin and curcuma (rose hips, bilberry) are especially useful because they reduce your body's production of histamines or leukotrienes (substances that cause allergy symptoms) and strengthen...”
Diagnose your symptoms now!
  • let The Analyst™ find what's wrong
  • check your overall health status
  • understand what's happening to your body

More topics Related to Quercetin

Antioxidant Requirement

...the condition
“...From: Soy; Flavonols e.g. quercetin and kaempferol; Polyphenols e.g. rosmarinic acid; Catechins e.g. epigallocatechin gallate (EGCG)...”


...recommendation Bioflavonoids
Quercetin appears to be important in the prevention of asthma attacks...”

Bioflavonoid Need

...the condition
“...Some of the best-known flavonoids, such as genistein in soy and quercetin in onions, could be considered subcategories...”
...recommendation Bioflavonoids
“When doctors recommend supplementation, the most common amounts suggested are 1,000mg of citrus flavonoids or 400mg of quercetin, each taken three times per day...”


...as a treatment
“...Bioflavonoids such as Quercetin, Rutin, and Hesperidin are vital through their ability to increase the strength of the capillaries (blood vessels) and to regulate their permeability...”

Blood Type A

...recommendation Bioflavonoids
Quercetin may be of value for cancer prevention for those with blood type A.”

Blood Type AB

...recommendation Bioflavonoids
Quercetin may be of value for cancer prevention in those with blood type AB.”


...as a treatment
“...Bromelain is also helpful in the absorption of many other supplemental ingredients such as glucosamine, quercetin, rutin, and many others...”


...as a treatment
“...Other active constituents include the flavonoids apigenin, luteolin, and quercetin.  These active ingredients contribute to chamomile's anti-inflammatory, antispasmodic, and smooth-muscle relaxing action, particularly in the gastrointestinal tract...”
Concerned or curious about your health?  Try The Analyst™
Symptom Entry
Symptom Entry
Full Explanations
Optional Doctor Review
Review (optional)

More topics Related to Quercetin

Chronic Inflammation

...recommendation Bioflavonoids
“Clinical trials have not yet examined the effects of the bioflavonoid quercetin in the treatment of inflammation...”

Green Tea

...as a treatment
“...Tea also contains flavonoids such as quercetin, rutin, etc; as well as tannins, fats, amino acids and nearly 300 other components...”

Hawthorn Berry Extract

...as a treatment
“...Bioflavonoids found in Hawthorn include oligomeric procyanidins (OPCs), vitexin, quercetin, and hyperoside...”

Hives (Urticaria)

...recommendation Bioflavonoids
“The flavonoid quercetin inhibits the manufacture and release of histamine and other allergic compounds involved in allergies...”


...as a treatment
“...Phyllanthus primarily contains lignans (e.g. phyllanthin and hypophyllanthin), alkaloids, and bioflavonoids (e.g. quercetin).  While it remains unknown as to which of these ingredients has an antiviral effect, research shows this herb acts primarily on the liver...”

Pregnancy-Related Issues

...recommendation against Bioflavonoids
Quercetin should be avoided during pregnancy.”


...recommendation Bioflavonoids
Quercetin is being used widely for sinus problems.”

St John's Wort

...as a treatment
“...While Hypericum contains two similar naphthodianthrones (hypericin and pseudohypericin), as well as many flavonoids (quercetin, quercetin, amentoflavones, hypericin, xanthones, rutin, and more), they seem to be extracted by similar conditions...”


...as a treatment
“...The leaves also contain rhodoxanthin, amentoflavone, quercetin, myricetin, carotene, xanthophyll and ascorbic acid...”


...recommendation Bioflavonoids
“Due to its antioxidant effect, quercetin can inhibit inflammatory processes mediated by "leukotrienes" (inflammatory agents a thousand times more powerful than histamines), hyaluronidase (collagen-destroying enzymes), and lysosomal...”
Report by The Analyst™
Click to see sample report
Health problems rarely occur in isolation or for obvious reasons

Your body is a highly complex, interconnected system.  Instead of guessing at what might be wrong, let us help you discover what is really going on inside your body based on the many clues it is giving.

Our multiple symptom checker provides in-depth health analysis by The Analyst™ with full explanations, recommendations and (optionally) doctors available for case review and answering your specific questions.

We use cookies for traffic analysis, advertising, and to provide the best user experience