Study	Reason for exclusion
Bakker 2010	Study was less than 12 weeks in length
Basu 2010	Study was less than 12 weeks in length
Batista 2009	Study was not a randomised controlled clinical trial
Bayes 2005	Study was not a randomised controlled clinical trial
Belza 2007	Intervention was delivered as a combination product rather than just green tea or its components
Belza 2009	Study participants were not classified as overweight or obese at start of trial
Berube‐Parent 2005	Intervention was delivered as a combination product rather than just green tea or its components
Bolling 2009	Study was not a randomised controlled clinical trial
Boon 2006	Study was not a randomised controlled clinical trial
Boon 2008	Study was not a randomised controlled clinical trial
Boschmann 2007	Study was less than 12 weeks in length
Brown 2009	Study was less than 12 weeks in length
Chan 2006	Study participants were diagnosed with a co‐morbidity that might have affected weight loss
Chantre 2002	Study was not a randomised controlled clinical trial
Chou 2008	Study was not a randomised controlled clinical trial
Dalbo 2008	Study was less than 12 weeks in length
Di Pierro 2009	Study was not a randomised controlled clinical trial
Diepvens 2007	Study was not a randomised controlled clinical trial
Donovan 2009	Study participants were taking medications that might have affected weight loss
Dulloo 1999	Study was less than 12 weeks in length
Eichenberger 2009	Study participants were not classified as overweight or obese at start of trial
Fukino 2005	Study was less than 12 weeks in length
Fukino 2008	Study participants were taking medications that might have affected weight loss
Grove 2010	Study was not a randomised controlled clinical trial
Gupta 2008	Study was not a randomised controlled clinical trial
Harada 2005	Study was not a randomised controlled clinical trial
Hardy 2008	Study was not a randomised controlled clinical trial
He 2009	Study was less than 12 weeks in length
Hursel 2009a	Study was not a randomised controlled clinical trial
Hursel 2010	Study was not a randomised controlled clinical trial
Komatsu 2003	Study participants were not classified as overweight or obese at start of trial
Kuhad 2008	Study was not a randomised controlled clinical trial
Lieberman 2003	Study was not a randomised controlled clinical trial
Nagao 2005	Intervention was delivered as a combination product rather than just green tea or its components
Nagao 2009	Study participants were taking medications that might have affected weight loss
Onakpoya 2010	Study was not a randomised controlled clinical trial
Pittler 2005	Study was not a randomised controlled clinical trial
Pittler 2006	Study was not a randomised controlled clinical trial
Pittler 2007	Study was not a randomised controlled clinical trial
Pittler 2009	Study was not a randomised controlled clinical trial
Rao 2006	Intervention was delivered as a combination product rather than just green tea or its components
Schneider 2009	Study was not a randomised controlled clinical trial
Schulz 2009	Study was not a randomised controlled clinical trial
Shixian 2006	Study was not a randomised controlled clinical trial
Stendell‐Hollis 2010	Study participants were diagnosed with a co‐morbidity that might have affected weight loss
Thielecke 2010	Study was less than 12 weeks in length
Tian 2004	Study was not a randomised controlled clinical trial
Tsai 2009	Intervention was delivered as a combination product rather than just green tea or its components
Tucker 2008	Intervention was delivered as a combination product rather than just green tea or its components
Westerterp‐Plantenga 2010	Study was not a randomised controlled clinical trial
Wolfram 2006	Study was not a randomised controlled clinical trial
Wolfram 2007	Study was not a randomised controlled clinical trial
Yoneda 2009	Study was not a randomised controlled clinical trial