Skip to main content
Supplement ScienceSupplementScience

Green Tea Extract (EGCG) Dosage Guide

Evidence:Moderate
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

General Dosage

400-500 mg EGCG daily, or 500-1,000 mg green tea extract (standardized to 50% EGCG)

Maximum dose: 800 mg EGCG/day; higher doses associated with liver toxicity reports

Dosage Recommendations

General recommendation: 400-500 mg EGCG daily, or 500-1,000 mg green tea extract (standardized to 50% EGCG)

Timing: Take between meals or before exercise; avoid on empty stomach if sensitive

Dosage by Condition

Weight management
400-500 mg EGCG dailyModerate
Fat oxidation during exercise
300-400 mg EGCG 60-90 min before exerciseModerate

Upper limit: 800 mg EGCG/day; higher doses associated with liver toxicity reports

Timing & Absorption

Take between meals or before exercise; avoid on empty stomach if sensitive

Can be taken with or without food.

Full Green Tea Extract (EGCG) Guide

References

  1. Meta-analysisJurgens TM, Whelan AM, Killian L, et al. (2012). Green tea for weight loss and weight maintenance in overweight or obese adults. Cochrane Database of Systematic Reviews. DOI PubMed
  2. RCTDulloo AG, Duret C, Rohrer D, et al. (1999). Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans. American Journal of Clinical Nutrition. DOI PubMed
  3. RCTLoftis JM, Wilhelm CJ, Huckans M (2013). Effect of epigallocatechin gallate supplementation in schizophrenia and bipolar disorder: an 8-week, randomized, double-blind, placebo-controlled study.. Therapeutic advances in psychopharmacology. DOI PubMed