General Dosage
250-500mg EGCG daily from standardized green tea extract, taken with food
Maximum dose: Do not exceed 800mg EGCG daily; doses above this increase hepatotoxicity risk per EFSA safety assessment
Green Tea Extract Dosage Guide
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Dosage Recommendations
General recommendation: 250-500mg EGCG daily from standardized green tea extract, taken with food
Timing: Always take with food to reduce risk of liver injury; avoid on empty stomach; split into 2 doses • Take with food for best absorption.
Dosage by Condition
General anti-inflammatory
250-500mg EGCG dailyStrong
Metabolic syndrome
400-500mg EGCG dailyModerate
Fat oxidation support
300-400mg EGCG daily with caffeineModerate
| Condition | Recommended Dose | Evidence |
|---|---|---|
| General anti-inflammatory | 250-500mg EGCG daily | Strong |
| Metabolic syndrome | 400-500mg EGCG daily | Moderate |
| Fat oxidation support | 300-400mg EGCG daily with caffeine | Moderate |
Upper limit: Do not exceed 800mg EGCG daily; doses above this increase hepatotoxicity risk per EFSA safety assessment
Timing & Absorption
Always take with food to reduce risk of liver injury; avoid on empty stomach; split into 2 doses
Best taken with food for optimal absorption.
References
- Haghighatdoost F, Hariri M (2019). The effect of green tea on inflammatory mediators: a systematic review and meta-analysis of randomized clinical trials. Phytotherapy Research. DOI PubMed
- Lin Y, Shi D, Su B, et al. (2020). The effect of green tea supplementation on obesity: a systematic review and dose-response meta-analysis of randomized controlled trials. Phytotherapy Research. DOI PubMed
- EFSA Panel on Food Additives and Nutrient Sources (2018). Scientific opinion on the safety of green tea catechins. EFSA Journal. DOI