Quercetin
Varies
Quercetin is a naturally occurring flavonoid abundant in onions, apples, capers, and dark berries. It has gained significant research attention for its antioxidant and anti-inflammatory properties, and more recently for its potential role as a senolytic compound that helps clear damaged, non-dividing cells from the body.
Research Evidence
May improve endothelial function and blood pressure
ModerateSupports antioxidant defense against oxidative stress
StrongMay lower uric acid levels
LimitedReduces markers of systemic inflammation
ModerateSelectively clears senescent cells when used in senolytic protocols
ModerateExpert Evidence
11 references from 2 experts
Safety & Cautions
Side Effects
- Headache
- Stomach upset or nausea
- Tingling in extremities at high doses
Quercetin is generally well-tolerated at standard doses. However, it may interact with certain antibiotics and blood-thinning medications, so those on prescription drugs should consult a healthcare provider before supplementing.
Pairs Well With
Price Comparison
From $0.10/ct
D
DEAL SUPPLEMENTBest Value
4.7
•300 ct$0.10/ct
$29.56 total
N
NatureBell
4.7
•240 ct$0.12/ct
$27.99 total
A
Amazing Nutrition
4.7
•120 ct$0.16/ct
$18.89 total
A
aSquared Nutrition
4.6
•180 ct$0.19/ct
$34.95 total
B
B'LEAF NATURE
4.5
•120 ct$0.31/ct
$36.75 total
P
Pure Encapsulations
4.8
•120 ct$0.42/ct
$50.50 total
T
Thorne
4.6
•60 ct$0.48/ct
$29.00 total