Evidence supporting the use of: Green tea
For the health condition: Congestion (bronchial)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Green tea (Camellia sinensis) has a long history of use in traditional medicine systems, particularly in East Asia, where it has been consumed for its various health benefits, including as a remedy for respiratory issues such as congestion and bronchial discomfort. Traditional Chinese and Japanese medicine often recommend green tea for its purported ability to "clear heat" and "dispel phlegm," concepts that roughly correspond to reducing inflammation and aiding mucus clearance. The mild caffeine content in green tea can act as a bronchodilator, which may provide some subjective relief from congestion. Furthermore, the warm liquid itself can help soothe irritated mucous membranes and facilitate mucus thinning, making expectoration easier.

From a scientific perspective, green tea contains polyphenolic compounds such as catechins (notably epigallocatechin gallate, EGCG), which possess antioxidant and mild anti-inflammatory properties. Some in vitro and animal studies suggest that these compounds can modulate immune responses and may have a protective effect against certain respiratory pathogens. However, robust clinical evidence supporting the use of green tea specifically for bronchial congestion in humans is lacking. Most of the supportive claims remain rooted in tradition and anecdotal use rather than in controlled clinical trials. Thus, while green tea may offer some symptomatic comfort, especially as a warm beverage, its efficacy for treating bronchial congestion is supported more by traditional use than strong scientific validation.

More about green tea
More about Congestion (bronchial)

Other ingredients used for Congestion (bronchial)

allspice
aloe vera
alpha-pinene
waterhyssop
basil
benegut perilla (proprietary)
beta-pinene
black cumin
black currant
black pepper
Indian frankincense
bupleurum falcatum
bасора
caffeine
capsaicinoids
chamomile
chen pi
Chinese salvia root
clove
Coptis chinensis
cowage seed
turmeric
echinacea purpurea
elderberry
ethanol
forsythia
garlic bulb
ginger
grape
onion
green tea
horseradish
Indian tinospora
licorice root
lovage
mustard seed
n-acetyl-cysteine (NAC)
spruce
ophiopogon root
oregano
perilla
phellodendron amurense
platycodon root
pomegranate
quercetin
rosemary
scrophularia root
shiitake mushroom
spearmint leaf
sphaeranthus indicus
thyme
vitamin C
yellow root
squawvine
boneset
mullein
hyssop
cardamom
atractylodes
capsicum
mugwort
malabar nut
alpinia galangal
ferula assafoetida
inula racemosa
anise
blackboard tree
lingusticum wallichii
buckthorn
fritillaria
lemongrass
yerba santa
elecampane
coltsfoot
chrysanthemum
juniper berries
siler root
sweet flag
oriental arborvitae
trichosanthes
zanthoxylum
eucalyptus
menthol oil
aster root
abies spectabilis
horehound
Sichuan pepper
cayenne pepper
soursop
Alcohol
Agastache
Anamarrhena
Alpha-terpineol
Ardisia
Angelica
Allicin
Asarum heterotropoides
Aconite
Asafoetida
Andrographolide
Adrenergic amines
Asteracea
Allyl Sulfide
Adenophora
Allium tuberosum
Amor seco
Arisaema
Asarum sieboldii
Alantolactone
Atractylone
Black Seed
Baikal Skullcap
Baphicacanthus cusia
Bidens pilosa
Black spruce
Bicarbonate
Blepharis
Balsam
Bishop's Weed
Boswellic Acid
Bayleaf
Black galingale
Barleria
Bitter Grass
Bisabolene
Bael
berry
Boswellia
Baccharoides anthelmintica
black salt
Bee products
Bombax
Buddha's Hand
Borage
Bupleurum
Balloon Flower
Belamcanda
Borneol
Camellia sinensis
Chinese Silkvine
Curry leaf
Chinese Mountain Ant
Clerodendrum trichotomum
Citrus
Cineole
Cajuput
Chinese Raisintree
Cowherb
Curcumen
Cistus
Curcuma
Calamus
Cinnamaldehyde
Carthamus
Culvers Root
Chondrus
Dragonhead
Diterpenes
Ephedra
European Elder
Eclipta
Echinacea
Elder
Essential Oil Blend
Ephedrine
Galangal
Ivy
Mustard
Mallow
Sandalwood
Vervain

Other health conditions supported by green tea

Abdominal Pain
Abscesses
Acne
Addictions (coffee, caffeine)
Age Spots
Aging (prevention)
Allergies (food)
Allergies (respiratory)
Alzheimer's Disease
Antibiotics (alternatives to)
Anxiety
Anxiety Disorders
Appetite (excessive)
Arteriosclerosis
Arthritis
Asthma
Athletic and Exercise Aids
Autoimmune Disorders
Belching
Benign Prostate Hyperplasia
Bites and Stings
Bleeding (internal)
Blood in Urine
Bloodshot Eyes
Body Odor
Breast Lumps
Cancer (natural therapy for)
Cancer (prevention)
Cancer Treatment (reducing side effects)
Cardiovascular Disease
Cartilage Damage
Cellulite
Cervical Dysplasia
Chemotherapy (reducing side effects)
Chicken Pox
Cholesterol (high)
Cholesterol (low)
Chronic Obstructive Pulmonary Disorder
Circulation (poor)
Circulation (to the brain)
Cirrhosis of the Liver
Colds (antiviral)
Colds (decongestant)
Colds (general)
Colds (prevention)
Colds (with fever)
Colic (children)
Colitis
Colon (atonic)
Colon (spastic)
Concentration (poor)
Congestion
Congestion (bronchial)
Congestion (lungs)
Congestion (lymphatic)
Congestion (sinus)
Conjunctivitis
Constipation (adults)
Contagious Diseases
Convalescence
Cough (damp)
Cough (dry)
Cough (general)
Cough (spastic)
Cramps (menstrual)
Crohn's Disease
Cuts
Cystic Breast Disease
Cystic Fibrosis
Cytomealovirus
Dandruff
Debility
Dementia
Denture Sores
Depression
Dermatitis
Diabetes
Diabetic Retinopathy
Diarrhea
Digestion (poor)
Down Syndrome
Endometriosis
Epstein Barr Virus
Eye Infections
Eye Problems
Eyes (red or itching)
Fatigue
Fibroids (uterine)
Free Radical Damage
Fungal Infections
Gastritis
Gingivitis
Glaucoma
Hair (loss or thinning)
Headache (general)
Hemochromatosis
Hypertension
Inflammation
Influenza
Irritable Bowel Syndrome
Liver Detoxification
Memory and Brain Function
Oral Surgery
Parkinson's Disease
Perspiration (excessive)
PMS (general)
Polyps
Psoriasis
Rosacea
Skin (oily)
Stress
Triglycerides (high)
Ulcers
Urinary Tract Infections
Wrinkles

Products containing green tea

Vitabase Active Man's Formula
Metagenics AdvaClear
Metagenics AdvaClear
Metagenics Akkermansia Co.™ Healthy Weight with Glucose Control
Pure Encapsulations Athletic Nutrients
Metagenics Berberine GT
Douglas Laboratories CLA (Conjugated Linoleic Acid)
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus Berry
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus pH
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus Vanilla
Metagenics Clear Change 10-Day Detox Program with UltraClear RENEW Berry
Metagenics Clear Change 10-Day Detox Program with UltraClear RENEW Vanilla
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus Berry
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus pH Vanilla
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus Vanilla
Metagenics Clear Change 28-Day Detox Program with UltraClear RENEW Berry
Metagenics Clear Change 28-Day Detox Program with UltraClear RENEW Chai
Metagenics Clear Change 28-Day Detox Program with UltraClear RENEW Vanilla
Metagenics Clear Change Daily Essentials
Pure Encapsulations CurcumaSorb Mind
Designs For Health Detox Antiox™
Integrative Therapeutics Detoxication Factors
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Designs For Health Detoxification Support Packets
Douglas Laboratories DIM ® Enhanced
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Designs For Health DopaBoost™
Pure Encapsulations DopaPlus
Metagenics Endefen® Powder
Designs For Health EndoTrim™
Metagenics EstroFactors®
Designs For Health FemGuard+Balance™
Thorne FiberMend
Vitabase Green Tea Extract
Pure Encapsulations Green Tea Extract Decaffeinated
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Thorne Green Tea Phytosome
Douglas Laboratories Hair Growth+
Metagenics Immune Active
Metagenics Immune Defense Pack
Designs For Health Immune Support Packets
Designs For Health Immunitone Plus™
Thorne L-Arginine Plus Perfusia Plus
Vitabase Life's Essentials Plus
Thorne MediClear Plus
Metagenics MetaGlycemX™
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Thorne Multi-Vitamin Elite NSF
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Thorne Ovarian Care
Designs For Health PaleoCleanse Plus™
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Designs For Health PaleoCleanse Plus™Chocolate Detox Kit
Metagenics PhytoGanix® Tropical Fruit
Metagenics PhytoMulti™ Multivitamin
Metagenics PhytoMulti With Iron
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Metagenics PhytoMultivitamin
Designs For Health Plant Protein Cleanse
Designs For Health Plant Protein Cleanse Plus™ 570g
Pure Encapsulations Polyphenol Nutrients
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Thorne PolyResveratrol-SR
Vitabase Prostate Complex (Formerly Prostate Complete)
Integrative Therapeutics ProThrivers Wellness Flav Complex
Pure Encapsulations SP Ultimate
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Pure Encapsulations Teavigo
Metagenics Testralin®
Metagenics Trancor®
Douglas Laboratories Ultra Preventive
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Douglas Laboratories Ultra Preventive ®-EZ Swallow
Douglas Laboratories Ultra Preventive® X
Douglas Laboratories Ultra Protein Green
Metagenics UltraClear Plus® Detox Powder
Metagenics UltraClear Plus Detox Powder Berry
Metagenics UltraClear Plus Detox Powder Pineapple/Banana
Metagenics UltraClear Plus pH Detox Powder Pineapple/Banana
Metagenics UltraClear Plus pH Detox Powder Vanilla
Metagenics UltraClear RENEW Detox Powder Berry
Metagenics UltraClear RENEW Detox Powder Chai
Metagenics UltraClear RENEW Detox Powder Vanilla
Metagenics UltraMeal® Daily Support Dutch Chocolate
Metagenics UltraMeal Daily Support Mixed Berry
Designs For Health Weight Loss Support Packets
Metagenics Wellness Essentials Active Daily Packs
Metagenics Wellness Essentials Brain Health Daily Packs
Metagenics Wellness Essentials® Daily Packs
Metagenics Wellness Essentials Healthy Balance Daily Packs
Metagenics Wellness Essentials Men's Vitality Daily Packs
Metagenics Wellness Essentials Women's Daily Packs
Metagenics Wellness Essentials Women's Prime Daily Packs
Pure Encapsulations Women's Nutrients
Pure Encapsulations XanthiTrim