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Green Tea Extract (EGCG) Dosage Guide

This content is for informational purposes only and does not constitute medical advice. 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.

References

  1. (). Green tea for weight loss and weight maintenance in overweight or obese adults. Cochrane Database of Systematic Reviews. DOI
  2. (). 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