The Use of Green Coffee Extract as a Weight Loss Supplement: A Systematic Review and Meta-Analysis of Randomised Clinical Trials

Table 2

Main results of included RCTs¹.

Author Year	GCE specification	No. of participants randomised	Age in yrs; Sex: M/F	Body weight at baseline	Dosage of GCE	Treatment duration	Main results; reported as means with standard deviations	Adverse events	Control for lifestyle factors
Ayton Res. 2009 (unpublished)	CGA enriched green coffee	62	Not reported	76.65±7.25 kg (GCE) 77.44±12.93 kg (PLA)	180 mg daily	4 weeks	Weight loss was 1.35±0.81 kg and 0.12±0.27 kg for GCE and PLA respectively	Not reported	Normal lifestyle
Thom 2007	CGA enriched green coffee	30	Not reported 12/18	85.2±4.5 kg (GCE) 84.3±4.3 kg (PLA)	200 mg daily	12 weeks	Mean weight loss was 5.4±0.6 kg (GCE) and 1.7±0.9 kg (PLA). Mean fat loss was 3.6±0.3% (GCE) and 0.7±0.4% (PLA)	No adverse events	Regular diet, normal level of exercise
Dellalibera 2007	Green coffee extract	50	Range: 19–75	Not reported	200 mg daily	12 weeks	2 Mean weight loss was 4.97±0.32 kg and 2.45±0.37 kg for GCE and PLA, respectively	Not reported	Not reported

Abbreviation: PLA: placebo
1 Unless otherwise specified, values are reported as means with standard deviations.
2 Values reported as means with standard errors.