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What is Quercetin?

Quercetin is a flavonol that constitutes the major bioflavonoid sources in the human diet. The glycoside form is readily available in dietary plants such as teas, onions, apple and buckwheat. It is thought to have antioxidant, anti-inflammatory and anti-allergy properties.

Reported Purpose & Efficacy

Reasons and Efficacy
Purpose # of patients
# of patients with evaluations Efficacy
Major
Moderate
Slight
None
Can’t tell
Parkinson's Disease 5 2 Efficacy_cant_tell
General health 2 1 Efficacy_cant_tell
HIV (Human Immunodeficiency Virus) 2 1 Efficacy_slight
Allergies 2 1 Efficacy_slight
Fibromyalgia 1 0
Inflammation 1 0

See all 14 patients currently taking Quercetin

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Reported Side Effects

Side effects as an overall problem

Severe
 0
Moderate
 0
Mild
 1
None
 5

Reported Dosages

  4 other daily 250 mcg daily 250 mg daily 333 mg daily 500 mg daily 800 mg daily 1,000 mg daily 1,200 mg daily 1,500 mg daily
  1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 6 Number of Patients: 6 1 Number of Patients: 1 2 Number of Patients: 2 2 Number of Patients: 2 1 Number of Patients: 1  

Reported Stop Reasons

Why Patients Stopped Taking Quercetin (multiple reasons could be selected)
Reason # Patients Percentage of patients
Did not seem to work 3   Did not seem to work: 43%
Other 3   Other: 43%
Doctor's advice 1   Doctor's advice: 14%

See all 7 patients who’ve stopped taking Quercetin

Reported Duration See details about how long patients take this treatment ▼

Currently Taking Quercetin

A bar graph

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more
0
0

Stopped Taking Quercetin

A bar graph

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more
0
0

Reported Adherence, Burden & Cost See details from patient evaluations ▼

Adherence

Taking treatment as prescribed

Adherence of Quercetin

Always
 4 67%
Usually
 2 33%
Sometimes
 0 0%
Never
 0 0%

Burden

Difficulty being on treatment

Burden of Quercetin

Very
 0 0%
Somewhat
 0 0%
A little
 1 17%
Not at all
 5 83%

Cost

Paid out of pocket

Cost of Quercetin

$200+
 0 0%
$100-199
 0 0%
$50-99
 0 0%
$25-49
 1 20%
< $25
 4 80%

Report created on February 11, 2012.