INS and type 2 diabetes mellitus: According to the analysis by the presence or absence of T2DM, we observed that RV consumption had a positive effect on the four measured parameters (glucose, insulin, HOMA-IR, and HbA1c), in favor of the subjects with T2DM, which was consistent with the majority of the results from clinical trials conducted in diabetic subjects that were included in the meta-analysis (Abdollahi et al.; Bhatt et al.; Hoseini et al.; Javid et al.; Khodabandenlhoo et al.; Movahed et al.; and Sattarinezhad et al.)[18,22,35,36,38,41,44].