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EGCg Green Tea Extract 400 mg

NOW
4.7
★ ★ ★ ★ ★
(27746 ratings)
Green Tea 400 mg
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Score84
A potent, decaffeinated green tea capsule with useful active-marker disclosure and excellent value. Label relationships among the listed marker amounts could be clearer.
How scoring works
Quantity:90 Capsule(s) • (90 servings)
Goals:
Metabolism Boost
Anti-Inflammatory Support
Anti-Aging
Cognitive Support
Skin Health

Score 84

A potent, decaffeinated green tea capsule with useful active-marker disclosure and excellent value. Label relationships among the listed marker amounts could be clearer.
How scoring works

Also available as

1 option
180 servings Green Tea 400 mg • 180 Capsule(s) • 180 servings $19.60 ($0.10 per serving)
$11.00($0.12 per serving)
Daily Vita
$ 11.00
iHerb
$ 11.62
Vitacost
$ 12.47
Amazon
$ 11.62
Report prices

Analysis

The decaffeinated green tea formula reports 400 mg alongside EGCG and total-catechin markers, giving it a much clearer active focus than a plain leaf-powder capsule. Decaffeination improves flexibility for users who want catechins without a large stimulant effect.

The relationship among total extract, catechins, and EGCG is not fully explained by the supplied label data. No phospholipid delivery system or stabilizing cofactor is listed, so the formula relies on a standard capsule approach.

One capsule provides a concentrated serving and excellent value makes ongoing use practical. The strength is best suited to deliberate extract use rather than casual stacking with several other green tea products.

Who is it for
  • Adults seeking concentrated decaffeinated green tea extract
  • People who want named EGCG and catechin markers
Best for
  • EGCG intake
  • Antioxidant support
  • Caffeine-conscious metabolic routines

Pros

  • Identifies EGCG and total catechins
  • Explicitly decaffeinated
  • One-capsule serving
  • Offers excellent value

Cons

  • Marker-to-extract relationship is unclear
  • No absorption-support technology
  • High-potency extract is unnecessary for some users

Warnings

  • Concentrated green tea extract has occasionally been linked with liver injury, particularly when taken fasting; stop use for dark urine, jaundice, or persistent upper-abdominal pain.
  • Green tea catechins can reduce non-heme iron absorption, so people using oral iron should separate the servings.
  • Decaffeinated extract can still contain trace caffeine, which may affect highly sensitive users.

Nutrient quality

86 Highest impact

Decaffeinated green tea with named EGCG and total catechins provides clear active identity. The potent decaffeinated dose is useful, though repeated marker amounts and liver-tolerance concerns require care.

Ingredient transparency

80 Highest impact

EGCG and catechin entries share the same amount, making their relationship somewhat ambiguous. No proprietary blend hides the listed active doses.

Customer satisfaction

72 High impact

The supplied average is strong, with very large response volume. Complaint patterns and purpose-related experiences are not supplied.

Value for money

98 Highest impact

Formula quality appears strong for the asking price. Each serving offers very good practical value for its useful active dose.

Report analysis

Goals

Metabolism Boost
Metabolism Boost
Impact
Highest effect
A Goal FitA Strength of SupportC+ CoverageA Formula Quality
Green Tea · 50 mg

Standardized green tea catechins provide targeted support for fat oxidation and thermogenic signaling. The substantial disclosed extract amount gives this focused formula strong practical depth.

Decaffeination may reduce stimulant-related thermogenesis but also improves suitability for people avoiding caffeine. Coverage is narrow, with no separate mitochondrial transport, thyroid, or glycemic-control active.

Study evidence
Green Tea Supportive 31 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
Highest effect
A- Goal FitB+ Strength of SupportC CoverageA Formula Quality
Green Tea · 50 mg

Concentrated green tea extract provides a strong antioxidant and inflammatory-signaling mechanism through EGCG and related catechins. The labeled amount is substantial and the added green tea is decaffeinated.

EGCG and total catechins are named, but standardization percentages and absorption-enhancing delivery are not stated. Concentrated green tea extract can stress the liver when taken fasting, so the 400 mg serving should be taken with food and avoided by people with liver disease unless medically supervised.

Study evidence
Green Tea Mixed 16 studies
Anti-Aging
Anti-Aging
Impact
High effect
C+ Goal FitB+ Strength of SupportC+ CoverageB+ Formula Quality
Green Tea · 50 mg

EGCG provides concentrated support for oxidative, inflammatory, and metabolic pathways linked with aging. The substantial disclosed amount gives this focused extract meaningful depth.

Human evidence is more convincing for selected biomarkers than for broad healthspan benefits, and no enhanced delivery system is listed. A 400 mg EGCG serving may increase liver risk when taken fasting, so taking it with food and avoiding it during liver problems is a practical precaution.

Study evidence
Green Tea Supportive 9 studies
Cognitive Support
Cognitive Support
Impact
High effect
C- Goal FitB+ Strength of SupportD CoverageA+ Formula Quality
Green Tea · 50 mg

Decaffeinated green tea catechins provide antioxidant support that may help protect neural tissue over time. The formula does not disclose meaningful caffeine or L-theanine, so it is unlikely to produce the acute attention benefits associated with brewed green tea.

The EGCG and catechin amounts are clear, although standardization percentages and an absorption aid are not supplied. Concentrated green tea extract may stress the liver in susceptible people, particularly when taken on an empty stomach.

Study evidence
Green Tea Supportive 32 studies
Skin Health
Skin Health
Impact
High effect
B- Goal FitB- Strength of SupportD+ CoverageB+ Formula Quality
Green Tea · 50 mg

Green tea catechins provide focused antioxidant support that may help the skin handle environmental stress. The disclosed extract amount is meaningful, but the formula does not support collagen structure or hydration directly.

The label identifies EGCG and uses decaffeinated green tea. Missing standardization details and an absorption-focused delivery system limit confidence in how consistently the active compounds are delivered.

Study evidence
Green Tea Supportive 37 studies

Ingredients

IngredientAmount per serving
Green Tea extract (EGCg, Total Catechins)
 400 mg
decaffeinated Green Tea
50 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Green Tea (EGCg, Total Catechins) · 400 mg OverallScore68
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The extract clearly identifies an effective EGCG amount and uses decaffeinated green tea. Standardization percentages and an absorption-enhancing delivery system are not disclosed. The cost per active amount is highly economical.

View ingredientView products
Loading alternative details
84 Performance

EGCg Green Tea Extract

Protocol For Life Balance
<p>EGCg Green Tea Extract provides a clearly identified, decaffeinated 400 mg EGCG and catechin profile. Compared with the original, it offers either broader antioxidant support or a different delivery advantage than the original focused capsule; however, concentrated catechins still warrant taking it with food.</p>
78 Performance

Ageless Cell

Life Extension Geroprotect
<p>Ageless Cell combines decaffeinated EGCG with meaningful N-acetyl-L-cysteine, natural vitamin E, and tocotrienols. Compared with the original, it offers either broader antioxidant support or a different delivery advantage than the original focused capsule; however, its broad formula carries a higher serving cost.</p>
74 Performance

Green Tea Phytosome

Thorne
<p>Green Tea Phytosome uses a phospholipid phytosome that may improve absorption of its green-tea extract. Compared with the original, it offers either broader antioxidant support or a different delivery advantage than the original focused capsule; however, EGCG yield and caffeine status are not provided.</p>
80 Budget

Green Tea

Jarrow Formulas
<p>Green Tea lowers the serving cost and supplies a concentrated green-tea extract at a very low serving cost. Compared with the original, it offers either broader antioxidant support or a different delivery advantage than the original focused capsule; however, the repeated marker amounts and missing caffeine detail make the true EGCG yield less certain.</p>
84 Budget

Green Tea Extract 500 mg

Source Naturals
<p>Green Tea Extract 500 mg lowers the serving cost and offers a simple 500 mg green-tea extract with favorable serving value. Compared with the original, it offers either broader antioxidant support or a different delivery advantage than the original focused capsule; however, EGCG, polyphenol, and caffeine yields are not specified.</p>
79 Budget

Green Tea Extract 400 mg

NOW
<p>Green Tea Extract 400 mg lowers the serving cost and combines a substantial green-tea extract with 60 mg vitamin C at a very low serving cost. Compared with the original, it offers either broader antioxidant support or a different delivery advantage than the original focused capsule; however, separate EGCG and caffeine yields are not clearly disclosed.</p>
84 Value

EGCg Green Tea Extract 400 mg

NOW
<p>EGCg Green Tea Extract 400 mg delivers a focused, decaffeinated 400 mg EGCG formula with strong long-term value, creating a useful balance of formulation quality and value. Compared with the original, it offers either broader antioxidant support or a different delivery advantage than the original focused capsule; however, highly concentrated green tea extract can still cause nausea or liver stress in susceptible users.</p>
79 Value

Decaffeinated Mega Green Tea Extract

Life Extension
<p>Decaffeinated Mega Green Tea Extract clearly identifies decaffeination and a concentrated EGCG amount, creating a useful balance of formulation quality and value. Compared with the original, it offers either broader antioxidant support or a different delivery advantage than the original focused capsule; however, the unusually high dose is less suitable for routine unsupervised use.</p>
80 Value

Pine Bark Extract 240 mg

NOW
<p>Pine Bark Extract 240 mg pairs 100 mg EGCG with 240 mg pine bark proanthocyanidins for broader antioxidant coverage, creating a useful balance of formulation quality and value. Compared with the original, it offers either broader antioxidant support or a different delivery advantage than the original focused capsule; however, caffeine status and marker percentages are not fully stated.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Effects of green tea or green tea extract on insulin sensitivity and glycaemic control in populations at risk of type 2 diabetes mellitus: a systematic review and meta-analysis of randomised controlled trials.
    Wang X; Tian J; Jiang J; Li L; Ying X; Tian H; Nie M · Journal of human nutrition and dietetics : the official journal of the British Dietetic Association · 2015
    Meta-analysis510 participants7 studies pooledMetabolism Boost forGreen Tea
  2. Metabolic response to green tea extract during rest and moderate-intensity exercise.
    Hodgson AB; Randell RK; Boon N; Garczarek U; Mela DJ; Jeukendrup AE; Jacobs DM · The Journal of nutritional biochemistry · 2013
    Randomized trial27 participantsMetabolism Boost forGreen Tea
  3. Effect of green tea on glucose control and insulin sensitivity: a meta-analysis of 17 randomized controlled trials.
    Liu K; Zhou R; Wang B; Chen K; Shi LY; Zhu JD; Mi MT · The American journal of clinical nutrition · 2013
    Meta-analysis1,133 participants17 studies pooledMetabolism Boost forGreen Tea
  4. Green tea extract ingestion, fat oxidation, and glucose tolerance in healthy humans.
    Venables MC; Hulston CJ; Cox HR; Jeukendrup AE · The American journal of clinical nutrition · 2008
    Randomized trial23 participantsMetabolism Boost forGreen Tea
  5. A 60-Day Green Tea Extract Supplementation Counteracts the Dysfunction of Adipose Tissue in Overweight Post-Menopausal and Class I Obese Women.
    Rondanelli M; Gasparri C; Perna S; Petrangolini G; Allegrini P; Fazia T; Bernardinelli L; Cavioni A; Mansueto F; Oberto L; Patelli Z; Tartara A; Riva A · Nutrients · 2022
    Randomized trial28 participantsMetabolism Boost forGreen Tea
  6. Metabolic response to epigallocatechin-3-gallate in relapsing-remitting multiple sclerosis: a randomized clinical trial.
    Mähler A; Steiniger J; Bock M; Klug L; Parreidt N; Lorenz M; Zimmermann BF; Krannich A; Paul F; Boschmann M · The American journal of clinical nutrition · 2015
    Randomized trial18 participantsMetabolism Boost forGreen Tea
  7. Effect of Acute and Chronic Dietary Supplementation with Green Tea Catechins on Resting Metabolic Rate, Energy Expenditure and Respiratory Quotient: A Systematic Review.
    Rondanelli M; Riva A; Petrangolini G; Allegrini P; Perna S; Faliva MA; Peroni G; Naso M; Nichetti M; Perdoni F; Gasparri C · Nutrients · 2021
    Systematic review499 participants15 studies pooledMetabolism Boost forGreen Tea
  8. Epigallocatechin-3-gallate and postprandial fat oxidation in overweight/obese male volunteers: a pilot study.
    Thielecke F; Rahn G; Böhnke J; Adams F; Birkenfeld AL; Jordan J; Boschmann M · European journal of clinical nutrition · 2011
    Randomized trial10 participantsMetabolism Boost forGreen Tea
  9. Effects of timing of acute catechin-rich green tea ingestion on postprandial glucose metabolism in healthy men.
    Takahashi M; Ozaki M; Miyashita M; Fukazawa M; Nakaoka T; Wakisaka T; Matsui Y; Hibi M; Osaki N; Shibata S · The Journal of nutritional biochemistry · 2020
    Randomized trial17 participantsMetabolism Boost forGreen Tea
  10. Time-of-day-dependent effects of a green tea extract on postprandial glycemia and insulinemia in healthy adults: a randomized, controlled, double-blind, cross-over intervention.
    Sulaimani N; Rosbotham EJ; Warnock R; Polzella L; Judowski R; Nicolotti L; Houghton MJ; Williamson G; Bonham MP · Food & function · 2025
    Randomized trial14 participantsMetabolism Boost forGreen Tea
  11. Green tea and coffee intake and risk of cognitive decline in older adults: the National Institute for Longevity Sciences, Longitudinal Study of Aging.
    Shirai Y; Kuriki K; Otsuka R; Kato Y; Nishita Y; Tange C; Tomida M; Imai T; Ando F; Shimokata H · Public health nutrition · 2021
    Cohort study1,305 participantsAnti-Aging forGreen Tea
  12. Associations of green tea, coffee, and soft drink consumption with longitudinal changes in leukocyte telomere length.
    Sohn I; Shin C; Baik I · Scientific reports · 2023
    Cohort study1,952 participantsAnti-Aging forGreen Tea
  13. Can teatime increase one's lifetime?
    Nakachi K; Eguchi H; Imai K · Ageing research reviews · 2003
    Cohort studyAnti-Aging forGreen Tea
  14. Influences of tea consumption on self-rated health and life satisfaction among older adults: Evidence from the CLHLS.
    Zou M; Sun C; Yang M; Li C; Wang S; Zheng D; Wang J; Yu L; Sun L; Wang Y; Chen H; Zeng Y · PsyCh journal · 2025
    Cohort study78,345 participantsAnti-Aging forGreen Tea
  15. Double-blinded, placebo-controlled trial of green tea extracts in the clinical and histologic appearance of photoaging skin.
    Chiu AE; Chan JL; Kern DG; Kohler S; Rehmus WE; Kimball AB · Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 2005
    Randomized trial40 participantsAnti-Aging forGreen Tea
  16. The effects of green tea on acne vulgaris: A systematic review and meta-analysis of randomized clinical trials.
    Kim S; Park TH; Kim WI; Park S; Kim JH; Cho MK · Phytotherapy research : PTR · 2021
    Meta-analysis247 participants5 studies pooledAnti-Inflammatory Support forGreen Tea
  17. Green Tea Catechin Association with Ultraviolet Radiation-Induced Erythema: A Systematic Review and Meta-Analysis.
    Kapoor MP; Sugita M; Fukuzawa Y; Timm D; Ozeki M; Okubo T · Molecules (Basel, Switzerland) · 2021
    Meta-analysis100 participants6 studies pooledAnti-Inflammatory Support Skin Health forGreen Tea
  18. Efficacy of (-)-epigallocatechin gallate delivered by a new-type scaler tip during scaling and root planing on chronic periodontitis: a split-mouth, randomized clinical trial.
    Wang Y; Zeng J; Yuan Q; Luan Q · BMC oral health · 2021
    Randomized trial20 participantsAnti-Inflammatory Support forGreen Tea
  19. Camellia Sinensis Mouthwashes in Oral Care: a Systematic Review.
    Tafazoli A; Tafazoli Moghadam E · Journal of dentistry (Shiraz, Iran) · 2020
    Systematic review69 studies pooledAnti-Inflammatory Support forGreen Tea
  20. Skin photoprotection by green tea: antioxidant and immunomodulatory effects.
    Katiyar SK · Current drug targets. Immune, endocrine and metabolic disorders · 2004
    Narrative reviewAnti-Inflammatory Support forGreen Tea
  21. Safety and efficacy of cognitive training plus epigallocatechin-3-gallate in young adults with Down's syndrome (TESDAD): a double-blind, randomised, placebo-controlled, phase 2 trial.
    de la Torre R; de Sola S; Hernandez G; Farré M; Pujol J; Rodriguez J; Espadaler JM; Langohr K; Cuenca-Royo A; Principe A; Xicota L; Janel N; Catuara-Solarz S; Sanchez-Benavides G; Bléhaut H; Dueñas-Espín I; Del Hoyo L; Benejam B; Blanco-Hinojo L; Videla S; Fitó M; Delabar JM; Dierssen M; TESDAD study group · The Lancet. Neurology · 2017
    Randomized trial87 participantsCognitive Support forGreen Tea
  22. Association between tea consumption and risk of cognitive disorders: A dose-response meta-analysis of observational studies.
    Liu X; Du X; Han G; Gao W · Oncotarget · 2018
    Meta-analysis48,435 participants17 studies pooledCognitive Support forGreen Tea
  23. Investigating the Impact of Tea Consumption on Cognitive Function and Exploring Tea-Genetic Interactions in Older Adults Aged 65-105 Years: Findings from the 2002-2018 CLHLS Data.
    Yu L; Yang M; Ye KX; Li C; Zou M; Wang J; Yuan X; Zheng D; Sun C; Zhang Y; Feng Q; Maier AB; Sun L; Feng L; Wang Y; Chen H; Zeng Y · The journal of prevention of Alzheimer's disease · 2024
    Cohort study76,270 participantsCognitive Support forGreen Tea
  24. Consumption of green tea, but not black tea or coffee, is associated with reduced risk of cognitive decline.
    Noguchi-Shinohara M; Yuki S; Dohmoto C; Ikeda Y; Samuraki M; Iwasa K; Yokogawa M; Asai K; Komai K; Nakamura H; Yamada M · PloS one · 2014
    Cohort study490 participantsCognitive Support forGreen Tea
  25. Green Tea Consumption and the Risk of Incident Dementia in Elderly Japanese: The Ohsaki Cohort 2006 Study.
    Tomata Y; Sugiyama K; Kaiho Y; Honkura K; Watanabe T; Zhang S; Sugawara Y; Tsuji I · The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry · 2018
    Cohort study13,645 participantsCognitive Support forGreen Tea
  26. Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans.
    Dulloo AG; Duret C; Rohrer D; Girardier L; Mensi N; Fathi M; Chantre P; Vandermander J · The American journal of clinical nutrition · 1999
    Randomized trial10 participantsMetabolism Boost forGreen Tea
  27. Epigallocatechin gallate alleviates non-alcoholic fatty liver disease through the inhibition of the expression and activity of Dipeptide kinase 4.
    Yang M; Yan R; Sha R; Wang X; Zhou S; Li B; Zheng Q; Cao Y · Clinical nutrition (Edinburgh, Scotland) · 2024
    Randomized trialMetabolism Boost forGreen Tea
  28. Topical Polyphenon E in the treatment of external genital and perianal warts: a randomized controlled trial.
    Stockfleth E; Beti H; Orasan R; Grigorian F; Mescheder A; Tawfik H; Thielert C · The British journal of dermatology · 2008
    Randomized trial503 participantsSkin Health forGreen Tea
  29. Efficacy, safety and tolerability of green tea catechins in the treatment of external anogenital warts: a systematic review and meta-analysis.
    Tzellos TG; Sardeli C; Lallas A; Papazisis G; Chourdakis M; Kouvelas D · Journal of the European Academy of Dermatology and Venereology : JEADV · 2011
    Meta-analysis1,247 participants3 studies pooledSkin Health forGreen Tea
  30. Green tea polyphenols provide photoprotection, increase microcirculation, and modulate skin properties of women.
    Heinrich U; Moore CE; De Spirt S; Tronnier H; Stahl W · The Journal of nutrition · 2011
    Randomized trial60 participantsSkin Health forGreen Tea
  31. Efficacy of Epigallocatechin-3-Gallate in Preventing Dermatitis in Patients With Breast Cancer Receiving Postoperative Radiotherapy: A Double-Blind, Placebo-Controlled, Phase 2 Randomized Clinical Trial.
    Zhao H; Zhu W; Zhao X; Li X; Zhou Z; Zheng M; Meng X; Kong L; Zhang S; He D; Xing L; Yu J · JAMA dermatology · 2022
    Randomized trial180 participantsSkin Health forGreen Tea