Evidence supporting the use of: Green tea
For the health condition: Headache (general)

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Synopsis

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

Green tea has a long history of traditional use in East Asian medicine, where it is consumed both as a beverage and a remedy for various ailments, including headaches. In traditional Chinese medicine, green tea is believed to help "clear heat," relieve tension, and improve mental alertness, which are thought to contribute to headache relief. However, scientific research specifically linking green tea consumption to headache relief is limited. The potential benefit may be attributed to the moderate caffeine content found in green tea, which can act as a mild vasoconstrictor and is sometimes used in over-the-counter headache remedies. Additionally, green tea contains L-theanine, an amino acid that may promote relaxation and reduce stress, which are common headache triggers.

Despite these theoretical mechanisms, clinical studies directly evaluating green tea for headache treatment are lacking. Most scientific evidence is extrapolated from studies on caffeine or tea consumption in general, rather than green tea specifically. Furthermore, excessive caffeine from any source, including green tea, may actually trigger headaches or migraines in some individuals. Therefore, while green tea is used for headache relief in traditional medicine, robust scientific validation is currently insufficient, making the evidence base modest at best.

More about green tea
More about Headache (general)

Other ingredients used for Headache (general)

1,3,7-Trimethylpurine-2,6-dione
Abrus
Achyranthes
Aconite
Aerva lanata
Agarwood
Agastache
Agrimonia pilosa
Agrimony
Ajuga
Albizia
alpha-pinene
alpha-terpineol
alpinia galangal
Alstonia scholaris
amber
ambergris
American Liverleaf
Amor seco
Anemone
Angelica
anise
apple
apple cider vinegar
Arani
Ardisia
Arisaema
asafoetida
Asam gelugor
Asarum heterotropoides
ashwagandha
aster root
atractylone
avens
Baccharoides anthelmintica
bael
balloon flower
balsam
bamboo
banyan
Barleria
basil
Bassia scoparia
bayleaf
Bergenia
betel
betony
birch
bitter grass
black cumin
Black Hellebore
black nightshade
black root
black salt
black seed
black tea
Black willow
blackboard tree
blackthorn
Blepharis
blue flag
Bombax
Borassus aethiopum
borassus palm
borneol
Boswellia
bottle gourd
Broussonetia
Bryonia
Buddha\'s hand
burdock
Butea monosperma
cactus
Caesalpinia crista
calamus
Camellia sinensis
camphor oil
Campylandra fimbriata
cannabidiol
Cannabis sativa oil
capsicum
cardamom
carry me seed
Carthamus
cayenne pepper
Celosia
Centipeda
Chaenomeles lagenaria
chamomile
chinatree
Chinese silkvine
chrysanthemum
Cinnamomum
cinquefoil
citron
Clary sage
Clerodendrum indicum
Clerodendrum indicum
Clerodendrum phlomidis
Clerodendrum trichotomum
coca
cola nut
colocynth
commiphora
coriander
corktree
Corydalis
costus
cucumber
Cymbopogon martini
Cynodon dactylon
Dichrostachys glomerata
divi-divi
dragonhead
elephant\'s head
Embelia
English horsemint
Erodium cicutarium
Erythropalum scandens
eugenol
European Elder
Evodia
fang-feng
fennel
fern
fernbush
ferula assafoetida
feverfew
Ficus religiosa
Ficus simplicissima
flowering quince
Flueggea suffruticosa
Fumaria parviflora
Galangal
ganoderma
garden cress
Gardenia jasminoides
Gelsemium
geranium
giant blazingstar
ginger
ginseng
Glechoma hederacea
Gnaphalium
Golden Willow
goldthread
gooseberry
gotu kola
Greek mountain tea
green chiretta
green tea
Guaranine
Guava
guayusa
Heartsease
Hedychium spicatum
Hellebore
Hempnettle
henna
Herb Robert
Homalomena
Horsemint
Indian bael
Indian coraltree
Indian fagonia
Indian frankincense
Indian nightshade
indigo leaves
iridoids
Javanese Long Pepper
joe-pye
jujube
Kokilaksha
kola nut
kudzu
Kukicha
labrador tea
Large-leaved linden
Lavandin
lavender
Ledebouriella
lemon
lemon balm
Lesser speargrass
lichen
licorice root
ligustilides
Lilium polyphyllum
linalool
linden
Lindera
Litsea
little ironweed
Lophira lanceolata
Loranthus
lotus
lovage
luffa
Lycopodium
Lysimachia
Macaranga indica
mace
magnesium
mallow
Malva sylvestris
Marjoram
Matapalo Tree
Meadow sage
Meadowsweet
Mentha haplocalyx
Menthol oil
Mesua
Methylxanthine
Mezoneuron benthamianum
Microtea debilis
Milkweed
Mint
Momordica
Morinda
Moringa
Morus
Mountain Pepper
Mountain pride
Mustard
mustard seed
Myrrh
Nardostachys
Natsudaidai
Nymphaea nouchali
onion
Onosma bracteatum
orchid
Oroxylum indicum
Osha
Osmanthus
paeoniflorin
pagoda tree
Palmitoylethanolamide (PEA)
Patchouli oil
Patrinia
paw paw
peony
Peppermint
Petasines
Phellodendron
phellodendron amurense
Pimpinella
Piper chaba
Piper nigrum
Piper retrofractum
Plectranthus amboinicus
Pluchea
Polygonum
poppy
Portulaca
Premna
prepared aconite tuber
Prickly Pear Cactus
Prunus
Pulsatilla
punarnava
purple butterbur root
quail egg
riboflavin (vitamin B2)
robusta coffee
root tuber
rose
rose oil
Rubia cordifolia
Rubia yunnanensis
Rubiaceae
Rubus
rue
sage
Sagebrush
Salicin
Salvia
Sandalwood
Sassafras
Scabrous Gentian
schizonepeta
Scoparia dulcis
scrophularia root
Self-Heal
Semecarpus anacardium
Sensitive Plant
Sida cordifolia
silk tree
Snakeroot
Solanum indicum
Sophora
soursop
Southernwood
Spanish Needle
spearmint leaf
Speedwell
Spikenard
Stachytarpheta cayennensis
Stephania root
Stereospermum
Storax
Sumac
Sweet Bay
Sweet Orange alcohol
sweetgums
Sword Bean
Szechuan lovage
Tamarind
Terminalia
Tetrahydropalmatine
Tinospora cordifolia
Triphala
Tulbaghia
turmeric
Verbena
Vervain
Vetiver
Viburnum
Violet
Water Pepper
Waterhyssop
Watermelon
Wax Gourd
white willow
Willow
Willow Bracket
Winter Begonia
Winter Savory
Wintergreen
Wood betony
Wulinshen
Xanthine
Xanthophyll
Yellow-Fruit Nightshade
Yerba buena
Yerba mate
Yuzu
zhejiang fritillary
Zingerone
Zucchini

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
Integrative Therapeutics Detoxication Factors
Designs For Health Detoxification Support Packets
Douglas Laboratories DIM ® Enhanced
Douglas Laboratories DIM ® Enhanced
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
Pure Encapsulations Green Tea Extract Decaffeinated
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™
Metagenics MetaGlycemX
Thorne Multi-Vitamin Elite NSF
Thorne Multi-Vitamin Elite NSF
Thorne Ovarian Care
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
Metagenics PhytoGanix® Tropical Fruit
Metagenics PhytoMulti™ Multivitamin
Metagenics PhytoMulti With Iron
Metagenics PhytoMulti Without Iron
Metagenics PhytoMultivitamin
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
Vitabase Prostate Complex (Formerly Prostate Complete)
Integrative Therapeutics ProThrivers Wellness Flav Complex
Pure Encapsulations SP Ultimate
Pure Encapsulations SP Ultimate
Pure Encapsulations Teavigo
Metagenics Testralin®
Metagenics Trancor®
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 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