One study however showed that targeting GIP alone was insufficient to lower glucose in a diabetes type 2 context, while another study identified GLP‐1 secretion and gastric emptying, among numerous other glucoregulatory factors, as the most relevant determinants of postprandial glycemia (Wu et al. 2014; Xie et al. 2023). This evidence concerns the gene GLP1R and type 2 diabetes mellitus.