Green Coffee Bean Extract (Chlorogenic Acid)
Metabolism & weight managementFunction & benefits
Unroasted coffee beans rich in chlorogenic acid, which roasting partly destroys; a meta-analysis of randomised trials suggests it supports weight measures, especially in people with overweight, and another meta-analysis suggests support for some heart and metabolic markers.
Dosage & how to use
| Recommended dose | 400–800 mg daily |
| Best time to take | With breakfast or lunch |
| Frequency | Split into two doses |
Best forms to choose
Green coffee extract standardised to 45–50% chlorogenic acid.
Important warnings
It contains a little caffeine; avoid it in the evening if you are sensitive to caffeine
Avoid during pregnancy and breastfeeding
It is no substitute for a balanced diet and physical activity
Drug interactions
Count its caffeine together with coffee and energy drinks; use with care alongside stimulants, blood pressure drugs and blood thinners.
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Scientific references
- Gorji Z et al. Phytomedicine 2019 (meta-analysis) — PMID: 31398662
- Pourmasoumi M et al. Adv Exp Med Biol 2021 (meta-analysis) — PMID: 34981487
Content last updated: 17 October 2026 · Based on published sources and research (EFSA / NIH / PubMed)
⚖️ Medical disclaimer: The information and data provided here are for health education and nutritional guidance only. They are not a medical diagnosis and never replace a direct consultation with your doctor or pharmacist. Always consult your doctor before starting any supplement, especially during pregnancy or breastfeeding or when taking long-term medication.