INS and type 1 diabetes mellitus: Through the years, people living with type-1 diabetes have been using different types of therapies and insulins [1]; beginning with the first insulins obtained from pigs and the first human-analogue, going through regular, NPH (Neutral Protamine Hagedorn) and long-acting insulin along with tight meal schedules, to nowadays in which we have fast-acting insulins and pump therapy with Continuous Glucose Monitoring (CGM) that allows the patient to achieve much better results and have a more normal life in terms of meals [2].