Study	Reason for exclusion
Aalizadeh 2016	Although delayed onset muscle soreness is in the title, it was not measured Authors were contacted on 4 February 2017 to confirm
Al‐Nawaiseh 2016	Examined antioxidants, ibuprofen, cold water immersion and whey protein at the same time compared to a placebo
Ammar 2016	Non‐randomised study design
Arent 2010a	Delayed onset muscle soreness not measured
Askari 2012	Delayed onset muscle soreness not measured
Askari 2013	Delayed onset muscle soreness not measured
Babaei 2009	Delayed onset muscle soreness not measured
Bell 2014	Delayed onset muscle soreness not measured
Bloomer 2006	Delayed onset muscle soreness not measured
Bowtell 2011	Delayed onset muscle soreness not measured Tenderness was measured using a handheld algometer
Braakhuis 2014	Delayed onset muscle soreness not measured
Bunpo 2016	Delayed onset muscle soreness not measured
Carvalho‐Peixoto 2015	Delayed onset muscle soreness not measured
Cavas 2004	Delayed onset muscle soreness not measured
Childs 2001a	Delayed onset muscle soreness not measured
Clifford 2017	Delayed onset muscle soreness not measured
Daneshvar 2013	Delayed onset muscle soreness not measured
Dawson 2002	Delayed onset muscle soreness not measured.
Eichenberger 2010	Delayed onset muscle soreness not measured
Fuster‐Munoz 2016	Delayed onset muscle soreness not measured
Gaeini 2006	Delayed onset muscle soreness not measured
Gomez‐Cabrera 2003	Delayed onset muscle soreness not measured
Hillman 2017	Tart cherry juice with whey protein No tart cherry juice only group
Itoh 2000	Delayed onset muscle soreness not measured.
Jakeman 1993	Delayed onset muscle soreness not measured
Jowko 2011	Delayed onset muscle soreness not measured
Jowko 2012	Delayed onset muscle soreness not measured
Jowko 2015	Delayed onset muscle soreness not measured
Kaikkonen 1998	Delayed onset muscle soreness not measured
Keong 2006	Delayed onset muscle soreness not measured
Kim 2013	Delayed onset muscle soreness not measured
Kingsley 2006	Supplementation used was not classed as an antioxidant
Kizaki 2015	Delayed onset muscle soreness not measured
Kon 2008	Delayed onset muscle soreness not measured
Kraemer 2007	Delayed onset muscle soreness not measured
Lafay 2009	Delayed onset muscle soreness not measured
Lamprecht 2009a	Delayed onset muscle soreness not measured
Leelarungrayub 2011	Delayed onset muscle soreness not measured
Lenn 2002	Antioxidant supplement was mixed with fish oils and antioxidant supplement alone not investigated
Levers 2015	Delayed onset muscle soreness not measured Tenderness was measured using a handheld algometer
Levers 2016	Delayed onset muscle soreness not measured Tenderness was measured using a handheld algometer
Louis 2010	Delayed onset muscle soreness not measured
Margaritis 2003	Delayed onset muscle soreness not measured
Mastaloudis 2006	Delayed onset muscle soreness not measured
Matsumoto 2005	Delayed onset muscle soreness not measured
McKenna 2006	Delayed onset muscle soreness not measured
Meamarbashi 2014	Delayed onset muscle soreness not measured
Meamarbashi 2016	Delayed onset muscle soreness not measured
Medved 2004	Delayed onset muscle soreness not measured
Meydani 1993	Delayed onset muscle soreness not measured
Mizuno 1997	Delayed onset muscle soreness not measured
Morillas‐Ruiz 2005	Delayed onset muscle soreness not measured
NCT01555775	Antioxidant supplement compared to another dietary supplement (protein‐carbohydrate supplement)
Nieman 2010	Delayed onset muscle soreness not measured
Olesen 2013	Delayed onset muscle soreness not measured
Ostman 2012	Delayed onset muscle soreness not measured
Panza 2016	Delayed onset muscle soreness not measured
Passerieux 2015	Delayed onset muscle soreness not measured
Paulsen 2014a	Delayed onset muscle soreness not measured
Petersen 2001	Delayed onset muscle soreness not measured
Pilaczynska‐Szczesniak 2005	Delayed onset muscle soreness not measured
Roengrit 2014	Delayed onset muscle soreness not measured Tenderness was measured using a handheld algometer
Roengrit 2015	Delayed onset muscle soreness not measured Tenderness was measured using a handheld algometer
Romano‐Ely 2006	Intervention was antioxidants and protein versus carbohydrate only Protein can reduce muscle soreness
Sacheck 2003	Delayed onset muscle soreness not measured
Sanchis‐Gomar 2015	Delayed onset muscle soreness not measured
Santos 2016	Delayed onset muscle soreness not measured
Skarpanska‐Stejnborn 2008	Delayed onset muscle soreness not measured.
Suzuki 2015	Delayed onset muscle soreness not measured
Taub 2015	Delayed onset muscle soreness not measured
Teixeira 2009a	Delayed onset muscle soreness not measured
Toscano 2015	Delayed onset muscle soreness not measured
Yarahmadi 2014	Delayed onset muscle soreness not measured
Yarahmadi 2014a	Delayed onset muscle soreness not measured
Yfanti 2010	Delayed onset muscle soreness not measured
Yfanti 2012	Delayed onset muscle soreness not measured
Zoppi 2006	Delayed onset muscle soreness not measured