Evidence supporting the use of: Quercetin
For the health condition: Congestion (bronchial)
Synopsis
Source of validity: Scientific
Rating (out of 5): 2
Quercetin is a plant-derived flavonoid that has been studied for its potential anti-inflammatory, antioxidant, and antihistamine effects. While it is not a standard treatment for bronchial congestion, there is some scientific evidence suggesting quercetin may help reduce symptoms related to bronchial inflammation and congestion. Quercetin’s anti-inflammatory properties have been shown in cell and animal studies to inhibit the production of pro-inflammatory cytokines and reduce oxidative stress in respiratory tissues. Additionally, quercetin acts as a mast cell stabilizer, which can decrease histamine release and potentially alleviate symptoms associated with allergic reactions and bronchial congestion.
A small number of human studies have explored quercetin's effects on respiratory health. For example, some clinical trials suggest quercetin supplementation may reduce upper respiratory tract infection symptoms and duration in physically active individuals. However, direct evidence supporting its use specifically for bronchial congestion (such as in bronchitis or asthma) remains limited, with most data derived from preclinical research or studies focusing on broader respiratory symptoms. It is worth noting that traditional use of quercetin for this specific indication is not well-documented; its use is primarily supported by modern scientific investigation into its pharmacological actions.
Overall, while there is a scientific rationale for quercetin’s potential to support respiratory health and possibly alleviate bronchial congestion, the clinical evidence is not robust. More well-designed human studies are needed to confirm its efficacy for this specific indication.
Other ingredients used for Congestion (bronchial)
Abies spectabilisAconite
Adenophora
Adrenergic amines
Agastache
Alantolactone
Alcohol
Allicin
Allium tuberosum
Allspice
Allyl sulfide
Aloe vera
alpha-pinene
alpha-terpineol
alpinia galangal
Amor seco
Anamarrhena
andrographolide
Angelica
anise
Ardisia
Arisaema
asafoetida
Asarum heterotropoides
Asarum sieboldii
aster root
Asteraceae
atractylodes
atractylone
Baccharoides anthelmintica
bael
Baikal Skullcap
balloon flower
balsam
Baphicacanthus cusia
Barleria
basil
bayleaf
bee products
Belamcanda
benegut perilla (proprietary)
berry
beta-pinene
bicarbonate
Bidens pilosa
bisabolene
bishop\'s weed
bitter grass
black cumin
black currant
black galingale
black pepper
black salt
black seed
Black spruce
blackboard tree
Blepharis
Bombax
boneset
borage
borneol
Boswellia
Boswellic Acid
buckthorn
Buddha\'s hand
Bupleurum
bupleurum falcatum
bасора
caffeine
cajuput
calamus
Camellia sinensis
capsaicinoids
capsicum
cardamom
Carthamus
cayenne pepper
chamomile
chen pi
Chinese mountain ant
Chinese raisintree
Chinese salvia root
Chinese silkvine
Chondrus
chrysanthemum
cineole
cinnamaldehyde
Cistus
Citrus
Clerodendrum trichotomum
clove
coltsfoot
Coptis chinensis
cowage seed
cowherb
culvers Root
Curcuma
curcumen
curry leaf
diterpenes
dragonhead
Echinacea
echinacea purpurea
Eclipta
Elder
elderberry
elecampane
Ephedra
ephedrine
essential oil blend
eucalyptus
European Elder
fang-feng
fat liver oil
fernbush
ferula assafoetida
forsythia
frankincense
fritillaria
Galangal
Gallesia
gamma-terpinene
Gardenia jasminoides
garlic bulb
giant blazingstar
ginger
Glycyrrhetinic acid
Gnaphalium
grape
green tea
Guaco
heal-all
Heartsease
Hedyotis
Helicteres isora
honey
horehound
Horsemint
horseradish
Houttuynia
hyssop
Indian frankincense
Indian tinospora
inula racemosa
iridoids
Isatis
Ivy
jungli-bean
juniper berries
Khella
labrador tea
Laggera pterodonta
Ledebouriella
lemongrass
Lewis's monkey flower
lichen
licorice root
Ligusticum
limonene
linalool
Litsea
Lomatium
long pepper
lovage
malabar nut
mallow
Marsh Tea
Meadow sage
Menthol oil
Methylxanthine
Monoterpenes
Mountain Pepper
Mucolase
Mugwort
Mullein
Mustard
mustard seed
N-acetyl-cysteine (NAC)
Neoandrographolides
Nigella seed
Nutmeg
onion
Ophiopogon
ophiopogon root
oregano
oriental arborvitae
Oroxylum indicum
Orris
Osha
Paris polyphylla
Pepper
perilla
Peucedanum
Phellodendron
phellodendron amurense
Pinellia ternata
Piper nigrum
Piper retrofractum
Platycodon
platycodon root
Pluchea
Polygonum
pomegranate
prepared aconite tuber
Pyrrosia
quercetin
ravinsara
rosemary
Rubiaceae
Sagebrush
Sambucus nigra
Sandalwood
Scoparia dulcis
scrophularia root
Servicetree
Sesquiterpenes
shiitake mushroom
Sichuan Lovage
Sichuan pepper
siler root
Sinigrin
Smartweed
Solanum indicum
Sophora
soursop
spearmint leaf
Sphaeranthus indicus
spruce
squawvine
Stereospermum
Sulfated polysaccharide
Sundew
Sweet Annie
Sweet Bay
sweet flag
Szechuan lovage
Tamaricaceae
Terpinolene
thyme
Thymus
Trichosanthes
turmeric
Vasicine
Vasicinone
Vervain
Viola
Violet
Visnea Mocanera
vitamin C
Vladimiria souliei
Waterhyssop
Winter Savory
Wulinshen
Yellow root
Yerba buena
Yerba santa
zanthoxylum
Zedoary
Zingerone
Zingiberene
Other health conditions supported by quercetin
Aging (prevention)Allergies (food)
Allergies (respiratory)
Alzheimer's Disease
Arteriosclerosis
Arthritis
Asthma
Autoimmune Disorders
Bladder (ulcerated)
Blood Clots (prevention of)
Bruises (healing)
Cancer (natural therapy for)
Cancer (prevention)
Capillary Weakness
Cardiovascular Disease
Cartilage Damage
Cataracts
Chemotherapy (reducing side effects)
Cholesterol (high)
Chronic Obstructive Pulmonary Disorder
Circulation (poor)
Circulation (to the brain)
Cirrhosis of the Liver
Cold Sores
Colds (antiviral)
Colds (decongestant)
Colds (general)
Colds (prevention)
Colds (with fever)
Colitis
Congestion
Congestion (bronchial)
Congestion (lungs)
Congestion (sinus)
Conjunctivitis
Contagious Diseases
Cough (damp)
Crohn's Disease
Cystic Fibrosis
Cytomealovirus
Dementia
Depression
Dermatitis
Diabetes
Diabetic Retinopathy
Edema
Fatigue
Free Radical Damage
Gastritis
Gingivitis
Hair (loss or thinning)
Hypertension
Inflammation
Influenza
Irritable Bowel Syndrome
Liver Detoxification
Lupus
Memory and Brain Function
Multiple Sclerosis
Osteoporosis
Parkinson's Disease
Peripheral Neuropathy
Prostatitis
Psoriasis
Rhinitis
Rhinitis, Allergic
Sinus Infection
Skin (infections)
Sneezing
Triglycerides (high)
Ulcers
Products containing quercetin
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 Complex (Formerly 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
