About Green Coffee Bean Extract
Unroasted coffee bean extract standardized to chlorogenic acids, marketed for weight loss and blood sugar. Early positive trials were retracted or industry-tainted; a critical review found weight-loss evidence weak and of poor quality. Modest effects on glucose/BP are possible.
What Green Coffee Bean Extract supports
- Chlorogenic-acid extract marketed for weight (weak evidence)
How much Green Coffee Bean Extract to take
The RDA prevents deficiency. The effective range is what clinical trials used to actually move the outcome.
Effective
200–800
mg
Weight trials used extracts standardized to ~45% chlorogenic acid at ~200-800 mg/day. Contains some caffeine.
Clinical evidence
Limited clinical evidence. Weight-loss evidence weak and poor quality; some retracted trials
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