Review and Comparison of Top Continuous Glucose Monitors

Wired's In-Depth Analysis

Review and Comparison of Top Continuous Glucose Monitors

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.

The article from Wired, titled "The Best Continuous Glucose Monitors," provides an in-depth review and comparison of several continuous glucose monitors (CGMs). These devices are crucial for people with diabetes or prediabetes to manage their condition. The author, Carol Milberger, tested four widely available, reasonably priced CGMs that are easy to use and pair with a smartphone. The key features of these CGMs include ease of administration, event tracking, summary reports, water resistance, support, and cost.

  1. Abbott FreeStyle Libre 2 (Best Value): This CGM is praised for its affordability and ease of use. It requires scanning the sensor with a phone to get a reading, but it populates the graph as long as it's scanned every eight hours. The sensor stays attached for 14 days, though it can be challenging to remove. It costs $85 for two 14-day sensors.

  2. Dexcom G-7 (Runner Up): The Dexcom G-7 offers real-time continuous data without needing to scan the sensor. It provides detailed reports and has a waterproof design. However, its sensor coverage is only ten days, and the protective cover can be tricky to apply. It costs $73 for one 10-day sensor.

  3. Abbott FreeStyle Libre 3 (Best Overall): This model builds upon the Libre 2's features, offering real-time continuous readings without phone scanning and a longer Bluetooth range. It also remains securely attached for 14 days. The cost is $70 for one 14-day sensor, with potential discounts available.

  4. Nutrisense (Best In-Depth Information): Nutrisense stands out for its detailed learning and personalized nutritionist guidance. It uses an Abbott FreeStyle Libre 14-day CGM and offers real-time continuous readings. The program is more expensive but provides valuable personalized guidance and education. It costs $400 for two 14-day sensors and a month of education and guidance, with lower costs for longer subscription periods.

The article emphasizes the importance of personalized nutrition and regular monitoring for effective blood sugar management. It also notes that CGMs are useful for people with prediabetes and can help in early diagnosis and aggressive treatment of diabetes complications.

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