Core keywords included: “Type 2 Diabetes Mellitus,” “T2DM,” “dietary intervention,” “low-carbohydrate diet,” “Mediterranean diet,” “vegetarian diet,” “vegan diet,” “intermittent fasting,” “glycaemic control,” “HbA1c,” “insulin resistance,” and “Australia.” Boolean operators AND and OR were applied to combine terms appropriately. The gene discussed is INS; the disease is type 2 diabetes mellitus.