Overview
Safety in plain terms
Hepatotoxicity is rare but documented with some concentrated extracts on empty stomach.
Tolerability
Commonly reported effects
- Nausea
- Hepatitis pattern injury (rare)
- Insomnia from caffeine residue
Higher-risk contexts
Who should pause or get medical guidance first
- Liver disease
- Concurrent hepatotoxic drugs
- Empty-stomach megadoses
Polypharmacy
Interactions & cautions
- Narrow therapeutic drugs metabolized by liver - discuss
Practical
Dose context (not a prescription)
Avoid concentrated extracts fasting; stop if jaundice or severe fatigue.
Our editorial safety score is 52/100 - methodology and limitations are on the full hub page.
Verdict context
Studies conflict or are small; some plausible benefits, but the signal is too noisy for strong claims.
Same ingredient, other questions
Focused pages for common searches about Green tea extract. Each uses the same underlying evidence file with a different lens.
Explore further
A few hand-picked entry points around Green tea extract: categories, answers to narrow questions, and comparisons.
Related ingredients
Ingredients we group near Green tea extract in our model - not interchangeable, but often read together.
- Creatine90/100Strong support
One of the most studied ergogenic aids; strongly supports high-intensity performance and lean mass when training is consistent.
- Whey protein84/100Strong support
A complete protein source convenient for hitting protein targets; evidence is mostly about adequate protein intake, not magic anabolism.
- Beta-alanine83/100Strong support
Buffers hydrogen ions during high-intensity efforts; best evidence for short repeated sprints and 1-4 minute efforts.
Alternatives
Swaps people discuss alongside Green tea extract - still judge each ingredient on its own evidence.