Among these, Chinese cinnamon exhibited the most favorable profile for treating hyperglycemia in type 2 diabetes patients [63] through mechanisms involved in stimulating the secretion of insulin and insulin analogues, increasing the expression of glucagon-like peptide-1 (GLP-1), delaying gastric emptying, inhibiting glucosidase activity, and increasing the expression of glucose transporter-4 [65]. This evidence concerns the gene GCG and type 2 diabetes mellitus.