According to the American Diabetes Association, carbohydrate counting is a practice in which PWD count the grams of carbohydrates in a meal in order to match the amount of insulin dose (most effectively given 30 min pre-meal to be effective when glucose enters the body or post-meal in certain cases) necessary to keep postprandial (PP) plasma glucose (1–2 h after eating) below 180 mg/dL [5,6]. Here, INS is linked to diabetes mellitus.