Quercetin
3,3',4',5,7-pentahydroxyflavone
Polyphenolic flavonoid
Found in 1,049 products 5 forms available Trending for: anti inflammatory, liver detox, memory support
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Supplement Guide
Supplement Guide Promising evidence
Quercetin
You slice a red onion and your eyes sting. For centuries, cooks and healers swore those pungent bulbs soothed colds and strengthened the body. Modern...

Best For
Best For Promising evidence
Best for Histamine Intolerance
DAO enzyme: 10–30k HDU before meals
Understanding Quercetin
What it is
Quercetin is a dietary flavonoid found in fruits and vegetables including apples, black, green and buckwheat tea, onions, red grapes, cherries, raspberries, citrus fruits.
Reported benefits
→Supports antioxidant defenses
→Supports anti-inflammatory responses
→Supports brain health and cognitive function
→May help protect liver cells
Dosage Guide
50mg
Low
67mg
Standard
200mg
Therapeutic
• Most products contain 50-67mg
• Therapeutic dose: 67-200mg
Forms & Absorption
Quercetin
Standard form
1762 products
Bio-Quercetin Phytosome
Standard form
22 products
Quercetin Phytosome
Standard form
18 products
Quercetin Anhydrous
Standard form
12 products
QU995 Quercetin
Standard form
9 products
Timing & Usage
Best taken:With meals
With food:22% recommend with food, 4% on empty stomach
Spacing:2+ hours from other minerals if applicable




