Evidence supporting the use of: Green tea
For the health condition: Memory and Brain Function

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Synopsis

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

Green tea (Camellia sinensis) is commonly associated with cognitive health, and its use for supporting memory and brain function is primarily justified by emerging scientific evidence rather than long-standing tradition. Green tea contains polyphenols, particularly epigallocatechin gallate (EGCG), as well as caffeine and L-theanine, which have been studied for their effects on the brain. Preclinical studies indicate that EGCG possesses antioxidant and anti-inflammatory properties, potentially protecting neurons from oxidative stress and reducing neurodegeneration. Some animal research suggests green tea components may improve learning and memory by modulating neurotransmitter systems and promoting neurogenesis.

In humans, the evidence is modest but growing. Small-scale clinical trials and observational studies suggest that regular green tea consumption may be associated with better cognitive performance and slower cognitive decline in older adults. For example, a 2014 randomized controlled trial found that green tea extract improved working memory in healthy adults. The combination of caffeine and L-theanine in green tea has also been shown to improve attention and alertness in the short term. However, large-scale, long-term randomized trials are limited, and results are not always consistent.

In summary, while there is some scientific basis for the belief that green tea may support memory and brain function, the overall evidence is still preliminary. More rigorous human studies are needed to firmly establish its efficacy for cognitive health.

More about green tea
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Other ingredients used for Memory and Brain Function

1,3,7-Trimethylpurine-2,6-dione
2'-Fucosyllactose
3-(4-hydroxy-3-methoxyphenyl)prop-2-enoic acid
5-methyltetrahydrofolate glucosamine
7,8-Dihydroxyflavone
Acacetin
Acai berry
Acer truncatum
Acetyl L-carnitine
Acetyl-L-Tyrosine
Acetylcholine
Agarwood
Agmatine
Algae
algal oil
Almond fruit
Alpha glyceryl
alpha-lipoic acid
alpha-pinene
amentoflavone
amino acids
AMP-activated protein kinase (AMPK)
ampelopsin
anchovies
andrographolide
aniracetam
anserine
anthocyanidins
anthocyanins
anthocyanosides
apigenin
arachidonic acid
Aronia melanocarpa
ashitaba
ashwagandha
asparagus
astaxanthin
avocado
baccosides
Bacopa
Bacopin
bacoside
baicalein
baicalin
Basidiomycota
Beef liver
beet
beta caryophyllene
beta-hydroxybutyrate
Bifidobacteria
Bifidobacterium longum
bilberry
bilobalide
biota seed
bird\'s nest
black currant
black garlic
black ginger
black seed
black tea
blackberry
Blepharis
Blue-Green Alage
blueberry
Boswellia
brahmi
breadnut
broccoli
butylphthalide
Camellia sinensis
Canscora
caprylic acid
carnosic acid
Carnosine
catalpol
catechins
caterpillar mushroom
catuaba
Celastrus
Centella asiatica
Centella triterpenes
centrophenoxine
chaga mushroom
chebulic acid
Chinese Ligustrum berry
Chinese mountain ant
Chinese salvia root
chocolate
choline
chrysanthemum
cinnamic acid
cinnamon
cistanche
citicoline
cocoa
cod liver oil
Codonopsis
coenzyme Q10 (CoQ10)
coffee fruit
cola nut
Convolvulus pluricaulis
Convolvulus prostratus
cordyceps
creatine
creatine monohydrate
crocetin
cruciferous
curcumin
currant
cyanidin
cyanobacteria
cytidine
d-alpha tocopherol
danshen
date
decursin
decursinol
Dendrobium
DHA (docosahexaenoic acid)
diallyl disulfide (DADS)
dibenzo-alpha pyrones
docosahexaenoic Acid
DPA (docosapentaenoic acid)
egg
eicosapentaenoic acid
eleuthero
elk antler
emblicanin
enokitake
EPA (eicosapentaenoic acid)
epicatechin
epigallocatechin gallate (EGCG)
ergothioneine
Eucommia ulmoides
ferulic acid
fisetin
fish
fish protein
Flammulina velutipes
flavanols
flavanones
flavans
flavoglycosides
flavones
fo-ti
folate
folic acid
frankincense
fruit and vegetable blend (proprietary)
fruit blend (proprietary)
fucosterol
galangin
galantamine
gallic acid
garcinol
gastrodin
ginkgetin
ginkgo biloba
ginkgo flavone glycoside
ginkgoheteroside
ginkgolides
Ginkgoside
Ginsenosides
Glucoraphanin
glucose
Glutamate
glycerophosphocholine (GPC)
Glycine
Glycosphingolipids
goji berry
gooseberry
gotu kola
grape
green tea
guarana
Guaranine
guayusa
Gypenoside
hazelnut
Hericenones
hericium mushroom
hesperetin
Homotaurine
Honokiol
huperzine A
hydroxytyrosol
icariin
Idebenone
Indian frankincense
inositol
isoliquiritigenin
isovitexin
Jatamansi
jiaogulan
jujube
Kaempferol
kale
krill oil
kudzu
l-5-methyltetrahydrofolate glucosamine salt (5-MTHF)
l-carnitine
L-carnosine
L-serine
L-taurine
L-theanine
l-tyrosine
Lactobacillus reuteri
lecithin
lemon balm
linalool
lingzhi
lion's mane
longan
lotus seed
lutein
luteolin
Lycium
lysophosphatidylcholine
maca
magnolol
mangiferin
Marine fat
Marine lipid
Matcha
Mate
medium chain triglycerides (MCT)
Methoxylated flavones
Methylcobalamin
Methylxanthine
Monounsaturated fat
Moringa
Morus
Muira puama
Mulberry
Myricetin
NADH
Nardostachys
Naringenin
Naringin
Nervonic acid
Niacin (vitamin B3)
Niacinamide (vitamin B3)
nicotinamide riboside
Nobiletin
oat
oleic acid
olive
omega-3 fatty acids
oolong tea
ophiopogon root
Osthole
paeoniflorin
paraxanthine
perilla
Periwinkle
phosphatidylcholine
phosphatidylserine
Phosphocreatine
phospholipids
Phthalides
phytocannabinoids
pine bark
Piperine
Plankton
Pleurotus eryngii
pollen
Polydatin
Polygala
polygala root
Polygonum
polysaccharides
polyunsaturated fat
pomegranate
pregnenolone
prolyl endopeptidase (PEP)
Puerain
Puerarin
pumpkin
punicalagins
purslane
Pycnogenol
pyrroloquinoline disodium salt
pyrroloquinoline quinone
quail egg
quercetin
Rehmannia
reishi mushroom
resveratrol
Rhodiola
robusta coffee
root tuber
rosmarinic acid
royal jelly
Rubiaceae
rutin
saffron
Safranal
Salidroside
Salmon Oil
Salvianolic acid
SAMe (S-adenosyl-L-methionine disulfate p-toluensulfate)
Sarcosine
Schisandrins
Schizandrol A
Schizochytrium
Schizochytrium Oil
seaweed
selenium
sesame
Shankhpushpi
Shilajit
Sialic acid
Soy
specialized pro-resolving mediators (SPMs)
spinach
spirulina
Stilbenoid
strawberry
Sulbutiamine
Sulforaphane
sulforaphane glucosinolate
suma
Tanshinone
Taurine
Taxillus chinensis
Terminalia
terpene lactones
Threonic acid
Tiger Nut
Tinospora cordifolia
tocotrienols
Trans-pterostilbene
Tremella
Triacetyluridine
Trichilia catigua
Trichopus zeylanicus
Tumerone
turmeric
Turmerones
ubiquinol
Uncaria
Uridine
Urolithin A
vegetable and fruit blend (proprietary)
velvet bean
Vincamine
Vinpocetine
vitamin B12
vitamin B6
vitamin C
vitamin D
vitamin D3
vitamin E
Vitexin
Walnut
Waterhyssop
Withanolides
Wogonin
Xanthine
Xanthohumol
Xanthone
Xanthophyll
Xylaria nigripes
Yerba mate
Yohimbine
Yumberry
Yuzu
Zinc
β-nicotinamide mononucleotide (NMN)

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