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supplement × Metabolic Health

Green Tea Extract (EGCG) for High blood sugar

Concentrated catechin polyphenols from Camellia sinensis, chiefly epigallocatechin gallate (EGCG); modestly increases thermogenesis and fat oxidation when combined with caffeine, and provides broad antioxidant activity.

-published research: study records
-published research: findings
Not formally gradedcertainty of the research
On this pageOverviewEvidenceCommunity outcomesRelated
Why Green Tea Extract (EGCG) for High blood sugar?

The connection

Type 2 diabetes, prediabetes, insulin resistance and metabolic syndrome — where the aim is lower blood sugar.

Also known as: EGCG, Catechins, Camellia sinensis

Published research

Green Tea Extract (EGCG) × High blood sugar: at a glance

Every published result for this pair, extracted and audited.

Published research

Green Tea Extract (EGCG) / High blood sugar: publication years

What this means: Counts describe research quantity, not treatment effectiveness or certainty.

Green Tea Extract (EGCG) / High blood sugar: publication years (publications, count)
CategoryPublications (count)
20244
20251
20261
← Zoom out: all evidence for Green Tea Extract (EGCG)Zoom out: compare compounds for High blood sugar →
Published research

Green Tea Extract (EGCG) × High blood sugar: the evidence base

Hand-selected PubMed studies, linked to the originals.

6studies referenced
5journals
2024–2026publication range

Ordered by strength of evidence, then result direction.

01Adjunctive berberine for schizophrenia with metabolic syndrome: a systematic review and meta-analysisXie K, et al. · Frontiers in psychiatry · 2026PMID 42433212 ↗02Effectiveness of Herbal Medicines with Anti-Inflammatory, Antimicrobial, and Antioxidant Properties in Improving Oral Health and Treating Gingivitis and Periodontitis: A Systematic ReviewMalcangi G, et al. · Nutrients · 2025PMID 40077632 ↗03The Effect of Berberine Supplementation on Glycemic Control and Inflammatory Biomarkers in Metabolic Disorders: An Umbrella Meta-analysis of Randomized Controlled TrialsNazari A, et al. · Clinical therapeutics · 2024PMID 38016844 ↗04The Antiobesity Effects and Potential Mechanisms of TheaflavinsFang Y, et al. · Journal of medicinal food · 2024PMID 38060708 ↗05Does green tea catechin enhance weight-loss effect of exercise training in overweight and obese individuals? a systematic review and meta-analysis of randomized trialsGholami F, et al. · Journal of the International Society of Sports Nutrition · 2024PMID 39350601 ↗06Polyphenol Intervention Ameliorates Non-Alcoholic Fatty Liver Disease: An Updated Comprehensive Systematic ReviewRanneh Y, et al. · Nutrients · 2024PMID 39683546 ↗
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Community experiences

Contributors volunteered; this does not establish treatment effectiveness or population incidence.

Reported changes

No publishable community breakdown is available. This does not establish that no reports exist.

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Important: This page reflects observational, aggregate-only community reporting and independent published research. It is not medical advice, and it does not claim any compound treats, cures, or is effective for any condition. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or treatment.