The Use of Garcinia Extract (Hydroxycitric Acid) as a Weight loss Supplement: A Systematic Review and Meta-Analysis of Randomised Clinical Trials

Table 3

Results of included studies without suitable data for meta-analysis.^𝜌

Author; Year; Country	HCA formulation	Randomised/ Analysed	Age in yrs	HCA Dosage	Treatment Duration	Baseline weight indices for HCA/placebo groups	Main Results	Adverse events (AE)	Control for lifestyle factors
Hayamizu et al. 2003 Japan [4]	Tablets	44/39	43.7±11.9; (HCA); 45.2±13.0; (PLA)	1 g daily	12 weeks	BW: 75.1±12.3/ 75.9±11.5; BMI: 28.9±4.7/ 28.5±4.6	No significant differences in BMI or body weight at week 12	Common cold, toothache, diarrhea	Dietary control
Preuss et al. 2002 (abstract) India [28]	Unspecified	48/unclear	Not reported	2.8 g daily	8 weeks	Not reported	4.8% loss in body weight, and 6.8% decrease in BMI for HCA group	Not reported	Diet control, exercise
Thom 1996 (abstract) Norway [31]	Capsule	60/unclear	Not reported	1.32 g daily	8 weeks	Not reported	Significant decrease in body weight in HCA group compared with placebo (𝑃<.001)	Stomach ache	Low fat diet, exercise

Abbreviations: HCA: Hydroxycitric acid; PLA: Placebo; BW: Body Weight; BMI: Body Mass Index.
^ρUnless otherwise stated, all trials are parallel-study designs.