Evidence supporting the use of: Quercetin
For the health condition: Psoriasis
Synopsis
Source of validity: Scientific
Rating (out of 5): 2
Quercetin is a flavonoid found in many fruits and vegetables, known for its antioxidant and anti-inflammatory properties. Its use in supporting or treating psoriasis is primarily justified by early-stage scientific research, mostly preclinical (cell and animal studies), with limited human data. Psoriasis is a chronic, immune-mediated inflammatory skin disorder characterized by overproduction of skin cells and inflammation. Laboratory studies have shown that quercetin can inhibit the release of pro-inflammatory cytokines such as TNF-α, IL-6, and IL-17, which play significant roles in the pathogenesis of psoriasis. Additionally, quercetin has demonstrated the ability to reduce oxidative stress and suppress immune cell activation in experimental models, which may help alleviate the symptoms of psoriasis.
However, clinical evidence in humans remains sparse. Some small pilot studies and case reports suggest topical or oral quercetin might reduce the severity of psoriatic lesions and inflammation, but these studies often lack rigorous controls and have small sample sizes. No large-scale randomized controlled trials have definitively confirmed its efficacy or safety for psoriasis patients. Thus, while there is a plausible scientific rationale and promising preliminary data, current evidence does not robustly support quercetin as a mainstream or primary therapy for psoriasis.
In summary, quercetin's use for psoriasis is supported by basic science and limited early clinical evidence, but stronger, high-quality human data are needed before its role can be established in clinical practice.
Other ingredients used for Psoriasis
Agrimonia pilosaAlfalfa
algal oil
Aloe vera
Alpha hydroxy acids
alpha-linolenic acid (ALA)
AMP-activated protein kinase (AMPK)
Andrographis
andrographolide
apigenin
apple cider vinegar
argan nut oil
astragalin
Aureobasidium pullulans
avocado
babchi
baicalein
baicalin
Baikal Skullcap
banyan
Baphicacanthus cusia
Barleria
bee propolis
beta-glucan
Bifidobacterium breve
Bifidobacterium longum
birch
black currant
black walnut
Borassus aethiopum
Boswellia
Boswellic Acid
bupleurum falcatum
burdock
butyrate triglyceride
caffeic Acid
cannabidiol
Centella asiatica
Centella triterpenes
Chinese salvia root
chirata
Cistus
Cnidium
cod liver oil
copaiba oil
curcumin
d-alpha tocopherol
DHA (docosahexaenoic acid)
docosahexaenoic Acid
DPA (docosapentaenoic acid)
eicosapentaenoic acid
emu oil
EPA (eicosapentaenoic acid)
epigallocatechin gallate (EGCG)
ethyl linoleate
European Elder
ferulic acid
Ficus religiosa
fish protein
frankincense
fumaric acid
gallic acid
gamma linolenic acid (GLA)
Glucosylceramide
Glycolic acid
Glycyrrhetinic acid
Glycyrrhizin
gooseberry
gotu kola
green tea
Hellebore
henna
hyaluronic acid
Hyperoside
isoliquiritigenin
jojoba oil
Kaempferol
knotweed
lactiplantibacillus plantarum
Lactobacillus plantarum
Lactobacillus rhamnosus
Lactobacillus salivarius
Ledebouriella
lingzhi
linoleic acid (LA)
linseed oil
liverwort
loquat
luteolin
Lycium
magnesium
Marine fat
Marshmallow
melaleuca alternifolia
mixed carotenoids
Morus
Mucilage
Mulberry
Naringenin
Nettle
Niacinamide (vitamin B3)
oleanolic acid
olive
omega-3 fatty acids
omega-6 fatty acids
Osthole
paeoniflorin
Palmitoylethanolamide (PEA)
perilla
PhosphatidylGlycerol
phospholipids
Piperine
Polypodium
polyunsaturated fat
pomegranate
quercetin
resveratrol
rockweed
Rubia cordifolia
Salmon Oil
Sanguisorba
Sargassum
sarsaparilla
seaweed
Semecarpus anacardium
Slippery Elm
specialized pro-resolving mediators (SPMs)
spirulina
sunflower
Tea Tree Oil
Thuja
turmeric
vegetable oil
Verbascoside
vitamin A
vitamin D
vitamin D3
vitamin E
Walnut
wheat grass
Withanolides
Xanthone
Xanthophyll
Xanthorrhizol
Zinc
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
