Written by Joyce Smith, BS. This study found that quercetin and 3,5-dihydroxybenzoic acid (DHBA), two phytonutrients commonly found in apples, are pro-neurogenic, not only by activating precursor cell proliferation but also by promoting cell cycle exit, cellular survival, and neuronal differentiation. (more…)
Written by Angeline A. De Leon, Staff Writer. Study finds that supplementation with 162 mg/d quercetin from onion skin extract lowers ambulatory blood pressure (ABP) in patients with hypertension, suggesting a cardioprotective effect of quercetin.
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Written by Marcia J. Egles, MD. Study shows that quercetin or botanical extracts containing quercetin induce white adipose tissue remodeling which may occur through inflammatory-related mechanisms. (more…)
Written by Jessica Patella, ND. Eight weeks of supplementation with quercetin significantly reduced morning pain, activity –related pain and morning stiffness in the 50 participating arthritic women compared to the placebo group.
Written by James C. Morton Jr., Staff Writer. In a randomized placebo-controlled, double-blinded, crossover trial, clinical research study, epicatechin and quercetin significantly decreased endothelial dysfunction (10.5%) and inflammation (10.1%) serum biomarkers compared to the baseline and placebo groups. (more…)
Written by Greg Arnold, DC, CSCS. Twelve weeks of supplementation with onion peel extract and quercetin significantly improved weight, body mass index, waist and hip circumference, and total body fat in participating obese subjects compared to control. (more…)
Written by James C. Morton Jr., Staff Writer. In a randomized, double- blind placebo- controlled, cross-over study, quercetin significantly reduces uric acid levels (7.88 or 8%) in blood plasma in 4 weeks compared to baseline and placebo group. (more…)
Written by Greg Arnold, DC, CSCS. Radiated mice who received quercetin and rutin had 23.6% less damage to their chromosomes than the “radiated-only” mice while the “radiated-only” mice had double the amount of chromosomes damage compared to the control group. (more…)
Written by Greg Arnold, DC, CSCS. Researchers found a 62% decrease in a marker of inflammation in a group given vitamin C and quercetin compared to placebo group. (more…)
Written by Greg Arnold, DC, CSCS. Those in the quercetin group were able to ride 13.2% longer than the group without quercetin. (more…)
Written by Greg Arnold, DC, CSCS. In a study with mice on a high fat diet and fed quercetin, there was a 17% reduction in blood sugar and 4% reduction in blood pressure over a control group. (more…)
Written by Susan Sweeny Johnson, PhD, Biochem. This double blind, randomized, crossover study demonstrates how quercetin supplementation reduced systolic blood pressure in 22 stage 1 hypertensive patients. This reduction decreases death from stroke by 14% and death from cardiac heart disease by 9%. (more…)
