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
alfalfaalgal oil
aloe vera
alpha-linolenic acid (ALA)
Beta-Glucan
bifidobacterium breve
bifidobacterium longum
black currant
black walnut
bupleurum falcatum
burdock
butyrate triglyceride
Chinese salvia root
turmeric
curcumin
d-alpha tocopherol
DHA (docosahexaeonic acid)
DPA (docosapentaenoic acid)
EPA (eicosapentaenoic acid)
epigallocatechin gallate (EGCG)
fish protein
gamma linolenic acid (GLA)
gooseberry
gotu kola
green tea
hyaluronic acid
knotweed
lactiplantibacillus plantarum
lactobacillus rhamnosus
lactobacillus salivarius
linoleic acid (LA)
luteolin
magnesium
marshmallow
mixed carotenoids
nettle
niacinamide (vitamin B3)
oleanolic acid
olive
omega-3 fatty acids
omega-6 fatty acids
perilla
phospholipids
pomegranate
quercetin
resveratrol
specialized pro-resolving mediators (SPMs)
spirulina
vitamin A
vitamin D
vitamin D3
vitamin E
seaweed
wheat grass
mulberry
zinc
sarsaparilla
rubia cordifolia
lingzhi
morus
sunflower
ferulic acid
birch
melaleuca alternifolia
AMP-activated protein kinase (AMPK)
Apple Cider Vinegar
Apigenin
Andrographolide
Avocado
Alpha Hydroxy Acids
Aureobasidium pullulans
Andrographis
Agrimonia pilosa
Argan nut oil
Astragalin
Bee Propolis
Baikal Skullcap
Babchi
Baphicacanthus cusia
Boswellic Acid
Barleria
Baicalein
Boswellia
Banyan
Borassus aethiopum
Baicalin
Caffeic Acid
Centella triterpenes
Cod Liver Oil
Cnidium
Centella asiatica
Cistus
Chirata
Cannabidiol
Copaiba Oil
Docosahexaenoic Acid
European Elder
Emu Oil
Eicosapentaenoic Acid
Ethyl Linoleate
walnut
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