Continuous Glucose Monitoring (CGM) devices are advanced tools used primarily by individuals with diabetes to continuously track glucose levels in their body. These devices offer a significant advantage over traditional blood glucose meters by providing real-time data on glucose trends around the clock. A CGM system typically consists of a small sensor, usually placed under the skin, which measures glucose levels in the interstitial fluid. This data is then transmitted to a receiver or a smartphone, allowing users to monitor their glucose levels without the need for frequent finger-prick tests. CGMs can alert users to sudden changes in glucose levels, helping in better diabetes management by enabling timely adjustments in diet, exercise, and medication. This technology not only aids in stabilizing blood sugar levels but also plays a crucial role in reducing the risk of diabetes-related complications.