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Continuous glucose monitoring (CGM) systems are designed to measure glucose levels in real-time and help people with diabetes manage their condition. Two of the most popular CGMs on the market today are the Freestyle Libre 3 and Dexcom G7. While both systems have similar functions, they have distinct differences that may impact a user's decision to choose one over the other. In this article, we will compare the pros and cons of Freestyle Libre 3 vs Dexcom G7.

Non-Invasive: One of the significant advantages of Freestyle Libre 3 is that it is a non-invasive system that does not require a finger prick for calibration. Instead, it uses a small sensor that is inserted under the skin and can last up to 14 days.

Lower Cost: If you want to buy Freestyle Libre 3 than it is more affordable than Dexcom G7, making it a more cost-effective option for people who need to manage their diabetes on a budget.

Ease of Use: Freestyle Libre 3 is easy to use and does not require any calibration or daily sensor insertions, making it a hassle-free option for those with busy lifestyles.

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Accurate: Freestyle Libre 3 is highly accurate, with a 99.4% accuracy rating for glucose readings.

No Real-Time Alerts: One of the significant drawbacks of Freestyle Libre 3 is that it does not provide real-time alerts for low or high glucose levels. Instead, users need to scan the sensor manually using a handheld device to check their glucose levels.

Limited Data Sharing: Freestyle Libre 3 has limited data sharing capabilities, making it challenging for people to share their glucose data with their healthcare team or loved ones.

Real-Time Alerts: Dexcom G7 provides real-time alerts for low and high glucose levels, making it easier for users to manage their diabetes and prevent hypoglycemia or hyperglycemia.

Shareable Data: Dexcom G7 allows users to share their glucose data with their healthcare team or loved ones, making it easier to manage their diabetes and get support from others.

Customizable: Dexcom G7 allows users to customize their alert settings and personalize their CGM experience based on their individual needs.

Invasive: Dexcom G7 requires a small sensor to be inserted under the skin, which can be uncomfortable and may cause skin irritation.

Higher Cost: Dexcom G7 price is generally higher than Freestyle Libre 3, making it less accessible for people who need to manage their diabetes on a budget.

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Calibration Required: Dexcom G7 requires daily calibration using a finger prick, which can be time-consuming and may interfere with daily activities.

In conclusion, both Freestyle Libre 3 and Dexcom G7 are effective CGMs that can help people with diabetes manage their condition. Each system has its own set of pros and cons, and the decision of which CGM to choose ultimately depends on the individual's needs and preferences. If cost and ease of use are a priority, Freestyle Libre 3 may be the best option. However, if real-time alerts and data sharing capabilities are a priority, Dexcom G7 may be the better choice.

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