Although metformin remains the agent of first choice for treating hyperglycemia in most people with T2D, and GLP‐1 analogues are now recommended before initiating insulin, insulin still remains essential for all patients with type 1 diabetes (T1D), severe hyperglycemia, or with T2D when other treatments prove insufficient in managing blood glucose levels.7 This evidence concerns the gene INS and type 2 diabetes mellitus.