Quercetin (quercetin)
Synopsis
Quercetin is a plant-based flavonoid found in apples, onions, berries, and leafy greens, known for its powerful antioxidant, antihistamine, and anti-inflammatory properties. It stabilizes mast cells, making it highly effective for allergy and immune support, and also helps protect against oxidative stress, promote cardiovascular health, and modulate immune and inflammatory pathways. Quercetin is often paired with bromelain or vitamin C to enhance absorption and synergistic effects.
Uses: Health Conditions
Allergies (food) (Traditional)
Allergies (respiratory) (Traditional)
Asthma (Traditional)
Bladder (ulcerated) (Traditional)
Bleeding (internal) (Traditional)
Bruises (healing) (Traditional)
Bruises (prevention) (Traditional)
Capillary Weakness (Traditional)
Cartilage Damage (Traditional)
Cataracts (Traditional)
Celiac Disease (Traditional)
Cellulite (Traditional)
Cervical Dysplasia (Traditional)
Chemical Poisoning (Traditional)
Chemotherapy (reducing side effects) (Traditional)
Chest Pain (Traditional)
Chicken Pox (Traditional)
Chills (Traditional)
Cholera (Traditional)
Cholesterol (high) (Traditional)
Cholesterol (low) (Traditional)
Chronic Obstructive Pulmonary Disorder (Traditional)
Circulation (poor) (Traditional)
Circulation (to the brain) (Traditional)
Cirrhosis of the Liver (Traditional)
Cold Hands and Feet (Traditional)
Cold Sores (Traditional)
Colds (antiviral) (Traditional)
Colds (decongestant) (Traditional)
Colds (general) (Traditional)
Colds (prevention) (Traditional)
Colds (with fever) (Traditional)
Colic (adults) (Traditional)
Colic (children) (Traditional)
Colitis (Traditional)
Colon (atonic) (Traditional)
Colon (spastic) (Traditional)
Concentration (poor) (Traditional)
Concussions (Traditional)
Confusion (Traditional)
Congestion (Traditional)
Congestion (bronchial) (Traditional)
Congestion (lungs) (Traditional)
Congestion (lymphatic) (Traditional)
Congestion (sinus) (Traditional)
Congestive Heart Failure (Traditional)
Conjunctivitis (Traditional)
Constipation (adults) (Traditional)
Constipation (children) (Traditional)
Contagious Diseases (Traditional)
Convalescence (Traditional)
Convulsions (Traditional)
Coordination (Traditional)
Copper Toxicity (Traditional)
Corns (Traditional)
Cough (damp) (Traditional)
Cough (dry) (Traditional)
Cough (general) (Traditional)
Cough (spastic) (Traditional)
Cradle Cap (Traditional)
Cramps (leg) (Traditional)
Cramps (menstrual) (Traditional)
Cramps and Spasms (Traditional)
Crohn's Disease (Traditional)
Croup (Traditional)
Cushing's Disease (Traditional)
Cuts (Traditional)
Cystic Breast Disease (Traditional)
Cystic Fibrosis (Traditional)
Cysts (Traditional)
Cytomealovirus (Traditional)
Dandruff (Traditional)
Deafness (Traditional)
Debility (Traditional)
Defensiveness (Traditional)
Dehydration (Traditional)
Dementia (Traditional)
Denture Sores (Traditional)
Depression (Traditional)
Dermatitis (Traditional)
Diabetes (Traditional)
Diabetic Retinopathy (Traditional)
Diaper Rash (Traditional)
Diarrhea (Traditional)
Digestion (poor) (Traditional)
Diphtheria (Traditional)
Dislocation (Traditional)
Diverticulitis (Traditional)
Dizziness (Traditional)
Emphysema (Traditional)
Free Radical Damage (Traditional)
Irritable Bowel Syndrome (Traditional)
Prostatitis (Traditional)
Rhinitis (Traditional)
Rhinitis, Allergic (Traditional)
Sinus Infection (Traditional)
Sneezing (Traditional)
Body Systems
Arteries (Traditional)
Pancreas Head (Traditional)
Respiratory System (Traditional)
Senses (Traditional)
Sinuses (Traditional)
Products containing this ingredient
Pure Encapsulations
Acerola/Flavonoid
Thorne
Advanced Nutrients Multivitamin
Pure Encapsulations
AI Formula
Pure Encapsulations
Aller-Essentials
Pure Encapsulations
Aller-Essentials
Designs For Health
ArthroSoothe™ Supreme
Pure Encapsulations
Athletic Nutrients
Pure Encapsulations
Balanced Immune
Designs For Health
BioFizz® Immune
Metagenics
CardioLux® HDL
Designs For Health
C+BioFizz®
Douglas Laboratories
Cysto Renew ®
Pure Encapsulations
Daily Immune
Integrative Therapeutics
Detoxication Factors
Integrative Therapeutics
Detoxication Factors
Designs For Health
DFH Complete Multi™
Designs For Health
DFH Complete Multi™ with Copper
Designs For Health
DFH Complete Multi™ with Copper & Iron
Thorne
Diabenil
Designs For Health
DopaBoost™
Designs For Health
Electrolyte Synergy™
Pure Encapsulations
Essential-C & Flavonoids
Pure Encapsulations
Essential-C & Flavonoids
Designs For Health
GI Revive®
Designs For Health
GI Revive®
Designs For Health
H-S-N Radiance™
Pure Encapsulations
Hist Reset
Designs For Health
HistaEze™
Metagenics
Immune Active
Metagenics
Immune Defense Pack
Designs For Health
Inflammatone™
Designs For Health
Inflammatone™
Designs For Health
Inflammatone™
Vitabase
Life's Essentials Plus
Metagenics
Multigenics®
Metagenics
Multigenics Chewable Orange
Metagenics
Multigenics Intensive Care
Metagenics
Multigenics Intensive Care without Iron
Metagenics
Multigenics without Iron
Pure Encapsulations
NeuroMood Pure Pack
Pure Encapsulations
NeuroPure
Designs For Health
OcuForce™
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™ Detox Program
Designs For Health
PaleoCleanse Plus™Chocolate Detox Kit
Designs For Health
PhytoBiome™
Metagenics
PhytoGanix® Tropical Fruit
Designs For Health
Plant Protein Cleanse
Designs For Health
Plant Protein Cleanse Plus™ 570g
Pure Encapsulations
Polyphenol Nutrients
Pure Encapsulations
Polyphenol Nutrients
Thorne
PolyResveratrol-SR
Designs For Health
Primal Multi™
Vitabase
Prostate Complete
Pure Encapsulations
PureDefense
Pure Encapsulations
PureDefense with NAC
Pure Encapsulations
PureDefense with NAC
Pure Encapsulations
PureLean® Protein
Pure Encapsulations
Quercetin
Pure Encapsulations
Quercetin
Metagenics
Quercetin 500
Vitabase
Quercetin Plus
Designs For Health
Quercetin-Ascorbate
Douglas Laboratories
Quercetin-Bromelain Complex
Thorne
Quercetin Complex Quercenase
Designs For Health
Quercetin + Nettles
Thorne
Quercetin Phytosome
Pure Encapsulations
Quercetin UltraSorb
Thorne
ResveraCel
Designs For Health
Resveratrol Supreme
Designs For Health
Senolytic Synergy
Metagenics
Sinuplex®
Designs For Health
Stellar C™
Vitabase
Super Antioxidant Formula
Pure Encapsulations
Th2 Modulator
Designs For Health
Ultimate Antiox Full Spectrum
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive ®-EZ Swallow
Douglas Laboratories
Ultra Preventive® X
Douglas Laboratories
Ultra Protein Green
Metagenics
UltraInflamX Plus 360°® Chocolate/Orange
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Orange
Metagenics
UltraInflamX Plus 360° Original Spice
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Pure Encapsulations
Uric Acid Formula
Designs For Health
Vessel Forte™
Vitabase
Vision Support
Integrative Therapeutics
Vitamin C with Quercetin