5 Types of Insulin (and Which is the Best for My Diabetes?) Speak with your doctor before starting or stopping any medication. Your doctor will help you figure out which type of insulin is necessary to help control your blood sugar. Stopping or starting insulin without speaking to a doctor can be harmful to your body and health.Diabetes can be a tricky diagnosis to deal with. This disease prevents the body from properly responding to insulin, and this can result in an abnormal breakdown of carbohydrates and sugars. After eating, people with diabetes often have a spike in blood sugar, which can cause a number of symptoms including increased thirst, fatigue, headaches, stomach pain, shortness of breath, and nausea. To combat this, people with diabetes often use insulin. This tells the muscle, fat, and liver cells to absorb the sugars from the bloodstream to be used as energy.Each person is different, so there are five types of insulin on the market to improve the quality of life for people with diabetes. Which type you need is based on your lifestyle, age, blood sugar goals, and how you respond to insulin.For example, one type of person may respond to rapid-acting insulin, but another may not. They may need to short-acting insulin, instead. The best way to control your blood glucose is to know what’s out there and work with your doctor. Using insulin wrong can be dangerous, so make sure to follow your doctor’s instructions for the best results. Communicating effectively is the only way to get total control of your blood sugar.