Insulin is a vital treatment for many with Type 2 diabetes and can be used early to manage blood sugar levels effectively. Its use is not an indication of disease severity, and using insulin is no. Even though you have started insulin treatment, this does not mean that you have developed Type 1 diabetes, you still have Type 2 diabetes and are using insulin. Approx. 15-30% of people with Type 2 diabetes use insulin, depending on the country