Goswami 2015.

Methods	Prospective observational study Duration of study: from March 2013 to April 2015
Participants	Country: India Population: men with idiopathic male infertility with high reactive oxygen species (ROS), N = 175 Inclusion criteria: unclear Exclusion criteria: unclear
Interventions	Diet rich in antioxidants and lifestyle changes (n = 80) versus Combined oral antioxidant (n = 95) versus Placebo (n = 75) Duration of treatment: unclear
Outcomes	Semen parameters, antioxidant concentrations (CoQ‐10, L‐carnitine, zinc), plasma total antioxidant capacity (TAC), total glutathione (GSH), sperm DNA fragmentation (TUNEL assay)
Notes	Conference abstract only. Not clear if it is a randomised clinical trial. Email sent to authors Goswami and Chakravarty (bncirm@gmail.com; syednkabir@yahoo.com) on 20.02.2018 and 06.03.2018. No reply to date (march 2018)