What is the recommended dosage for Green Coffee Bean Extract?

General: 200-400 mg/day standardized to 45-50% chlorogenic acid; Weight Management: 400-800 mg CGA/day

What are the side effects of Green Coffee Bean Extract?

Potential side effects include: Insomnia (caffeine content), Anxiety, Headache, GI discomfort.

What is green coffee bean extract and how may it support weight management?

Green coffee bean extract comes from unroasted coffee beans and is rich in chlorogenic acids. These compounds may influence glucose and fat metabolism. While some studies have shown modest weight loss effects, overall evidence quality is considered low, and a key study was retracted for data concerns.

What dosage of green coffee bean extract has been studied?

Clinical trials have used 200–400 mg of green coffee bean extract per day, standardized to 45–50% chlorogenic acids. Some studies used up to 800 mg daily. Study durations ranged from 4 to 12 weeks. The extract contains some caffeine, typically 10–20% of the amount in brewed coffee.

What are the potential side effects of green coffee bean extract?

Side effects are generally similar to those of caffeine, including insomnia, jitteriness, and increased heart rate, though at lower intensity due to lower caffeine content. Headache and urinary tract infections have been reported in some studies. Individuals sensitive to caffeine should exercise caution.

Green Coffee Bean Extract
Green Coffee Bean Extract

herbal

Auch bekannt als: Chlorogenic Acid, GCA, Svetol, Unroasted Coffee Extract

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About

An extract from unroasted coffee beans rich in chlorogenic acid. Early meta-analyses suggested potential for weight support, but the pivotal study was retracted, and remaining evidence is of poor methodological quality. High-quality evidence for weight management remains lacking.

How It Works

Chlorogenic acid (CGA) inhibits glucose-6-phosphatase, reducing hepatic glucose output and improving glucose metabolism. Also inhibits pancreatic lipase, reducing dietary fat absorption, and modulates adiponectin and leptin levels. CGA content is highest in unroasted beans (5-12% vs. 1-2% in roasted coffee).

Evidence For Conditions

Beschwerde	Bewertung	Studien	Teilnehmer
Overweight Management	D	5	142	Ansehen →

Side Effects

Insomnia (caffeine content)
Anxiety
Headache
GI discomfort

Drug & Supplement Interactions

Diabetes medications (may lower blood sugar)
Other caffeine sources (additive effects)
Blood pressure medications

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Related Ingredients

Garcinia Cambogia Bitter Orange Extract Hoodia Raspberry Ketones

Kurzinformationen

Dosierung: General: 200-400 mg/day standardized to 45-50% chlorogenic acid; Weight_Management: 400-800 mg CGA/day
Darreichungsformen: capsule tablet extract
Natürliche Quellen: Unroasted (green) coffee beans
Obergrenze: No established UL; caffeine content varies (typically 10-30 mg per capsule)
Beste Einnahmezeit: 30 minutes before meals

Evidenzzusammenfassung

Overweight Management D

FDA-Haftungsausschluss: Diese Aussagen wurden nicht von der Food and Drug Administration bewertet. Die Produkte und Informationen auf dieser Website sind nicht dazu bestimmt, Krankheiten zu diagnostizieren, zu behandeln, zu heilen oder zu verhindern. Die dargestellten Evidenzbewertungen basieren auf unserer Analyse veröffentlichter begutachteter Forschung und stellen keine medizinische Beratung dar. Konsultieren Sie immer Ihren Arzt, bevor Sie mit der Einnahme von Nahrungsergänzungsmitteln beginnen.