“…Only three Zingiberaceae plants have been evaluated for their anti‐diabetes properties through RCTs. The eligible articles including 18 turmeric RCTs (Adab et al, 2019; Adibian et al, 2019; Asadi et al, 2019; Chuengsamarn et al, 2014; Hodaei et al, 2019; Jimenez‐Osorio et al, 2016; Khajehdehi et al, 2011; Maithili Karpaga Selvi et al, 2015; Mokhtari et al, 2021; Na et al, 2013; Neta et al, 2021; Panahi, Khalili, Sahebi, Namazi, Artkin, et al, 2017; Panahi, Khalili, Sahebi, Namazi, Reiner, et al, 2017; Panahi et al, 2018; Rahimi et al, 2016; Shafabakhsh et al, 2020; Sousa et al, 2021; Usharani et al, 2008), 14 ginger RCTs (Arablou et al, 2014; Azimi et al, 2014; Azimi et al, 2016; Carvalho et al, 2020; Carvalho et al, 2021; El Gayar et al, 2019; Khandouzi et al, 2015; Mahluji, Attari, et al, 2013; Mahluji, Ostadrahimi, et al, 2013; Makhdoomi Arzati et al, 2017; Mozaffari‐Khosravi et al, 2014; Shidfar et al, 2015; Talaei et al, 2018; Zare Javid et al, 2019) and 4 cardamom RCTs (Asbaghi et al, 2020; Azimi et al, 2014; Azimi et al, 2016; Shekarchizadeh‐Esfahani et al, 2020), compared Zingiberaceae plants with placebo.…”