Blood sugar, also known as glucose, is a type of sugar that is found in your blood. It is the body’s main source of energy. Checking your blood sugar levels is important for managing diabetes and preventing complications. There are two main ways to check your blood sugar levels: using a blood glucose meter or using a continuous glucose monitor.
Blood glucose meters are small, portable devices that can be used to check your blood sugar levels at home. They work by taking a small sample of blood from your finger and testing it for glucose. Continuous glucose monitors (CGMs) are devices that are worn on the body and can continuously track your blood sugar levels. CGMs are more expensive than blood glucose meters, but they can be more convenient and provide more information about your blood sugar levels.