Subjects Ingredients Findings Author Effects of acute consumption of dietary supplements on energy expenditure Obese men (
) Green tea extract 750 mg L-tyrosine 609 mg caffeine 151 mg cayenne 225 mg calcium 1965 mg Supplement containing bioactive food ingredients increased daily REE by 200 kJ or 2% (48 kcal) Belza and Jessen 2005 [34 ] Healthy men and women (
) Caffeine anhydrous toothed clubmoss (Huperzia serrata ) yerba mate (Llex paraguariensis ) 3′-5′-CAMP (3′-5′-cyclic adenosine monophosphate) synephrine HCL R-beta-methylphenylethylamine N-Methyl-B-phenylethylamine yohimbe Methyl-hordenine Increased REE 59 ± 26 kcal·6 hrs, serum epinephrine, norepinephrine, glycerol, systolic and diastolic BP Bloomer et al. 2009 [37 ] Healthy men and women (
) Caffeine anhydrous toothed clubmoss (Huperzia serrata ) yerba mate (Llex Paraguariensis ) 3′-5′-CAMP (3′-5′-cyclic adenosine monophosphate) synephrine HCL R-beta-methylphenylethylamine N-mehtyl-B-phenylethylamine yohimbe Methyl-hordenine Increased REE, increased HR, no change in BP Hoffman et al. 2009 [38 ] Healthy men and women (
) Caffeine anhydrous toothed clubmoss (Huperzia serrata ) yerba mate (Llex paraguariensis ) 3′-5′-CAMP (3′-5′-cyclic adenosine monophosphate) synephrine HCL R-beta-methylphenylethylamine N-mehtyl-B-phenylethylamine yohimbe Methyl-hordenine Increased REE 45, 60, 120 minutes after ingestion with no change in HR or BP Jitomir et al. 2008 [39 ] Healthy men and women (
) Caffeine anhydrous, guarana, yerba mate green tea extract, L-carnitine L-tartrate, pathothenic acid, chromium picolinate, proprietary blends containins, AssuriTea green tea extract, Salvia sclarea , raspberry ketones and Capsicum annum extract, plus l-tyrosine, Salix alba , Zingiber officinale , fucus vesiculosus , Panax ginseng , bioperineW Increased REE 60, 120, 180, 240 minutes after ingestion Outlaw et al. 2013 [40 ] Healthy men and women (
) Supplement caffeine 200 mg, capsicum extract 33.34 mg, Niacin 20 mg, Bioperine 5 mg Increased REE 50 minutes after consumption with elevated HR and BP Ryan et al. 2009 [32 ] 40 male and 40 female healthy young subjects 1 mg capsinoids in 199 mg of rapeseed oil and medium-chain triglycerides No change in REE or weight but increased fat oxidation Snitker et al. 2009 [41 ] 10 healthy subjects per treatment 600 mg naringin, 50 mg p -synephrine 100 mg hesperidin, 50 mg p -synephrine, 600 mg naringin 1000 mg hesperidin, 50 mg p -synephrine, 600 mg naringin Increased REE 129 kcal Increased REE 183 kcal Increased REE 79 kcal Stohs et al. 2011 [17 ] 8 male and 10 female healthy young subjects 442 mg of a proprietary: 100 mg of caffeine, 230 mg of green tea extract, L-tyrosine, L-taurine, chocamine, white willow extract, yohimbine-HCl, vinpocetine Increased REE 60, 120, 180 minutes after ingestion Wilborn et al. 2009 [42 ] Healthy men and women (
) Caffeine, citrus aurantium, garcinia, cambogia and chromium polynicotinate Significantly increased REE at 60, 120, 180 min Dalbo et al. 2008 [43 ] 18 healthy young men 1.5 mg capsinoids in 199 mg of rapeseed oil and medium-chain triglycerides EE increased by 15.2 kJ/h (BAT+) (5 kcals/hour) groups 1 hours after ingestion Yoneshiro et al. 2012 [44 ] Effects of extended consumption of dietary supplements on energy expenditure Healthy men and women (
) pantothenic acid, 40 mg; green tea leaf extract 200 mg; guarana extract (198 mg of caffeine), 550 mg; bitter orange (9 mg of synephrine), 150 mg; white willow bark extract (7.5 mg of salicin), 50 mg; ginger root, 10 mg; proprietary blend (L-tyrosine, L-carnitine, naringin), 375 mg, phenylephrine (20 mg) Increased REE with increased body weight Greenway et al. 2006 [36 ] Obese subjects (
) Green tea extract 750 mg L-tyrosine 609 mg caffeine 151 mg Cayenne 225 mg calcium 1965 mg Supplement increased REE by 87.3 kJ (21 kcal) sustained for 8 weeks with reduced body fat mass Belza et al. 2007 [35 ]