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Managing glucose levels can be confusing, but the right combination of health tech and expert guidance can make it easier. Continuous glucose monitors (CGM) are one such tool!

What Are CGM Sensors + Their Benefits

Continuous glucose monitor (CGM) sensors are wearable devices that track glucose 24/7, offering insights into how your body responds to food, activity, and sleep. Unlike traditional finger-pricking methods, CGM sensors continuously monitor your glucose levels, connect to smartphone apps, and can often be linked to third-party health platforms, helping you manage your health in real time.

But with so many options now available, how do you pick the CGM that’s the best fit for you?

Finding the Right CGM Sensor for Your Needs

With so many options, finding the best CGM sensor for your health needs can be overwhelming. But whether you’re looking for one to prevent or reverse conditions like prediabetes or type 2 diabetes, manage weight loss, optimize your fitness, or check in on your health, there’s something for you.

Nutrisense CGM Solutions

Nutrisense stands out because it supports CGM sensors manufactured by the major market players, Dexcom and Abbott, and offers more than just access and glucose data viewing. With the Nutrisense program, you can work 1:1 with registered dietitians and nutritionists trained in glucose, metabolic health, and CGM data—so you have expert support to help you read and understand your data. You'll also benefit from features like meal logging and personalized feedback from a great app, so you get deeper insights than just your CGM.

You can choose from prescription or over-the-counter options that integrate with our app for seamless data tracking. Some of the prescription sensors available with the program include the Dexcom G7 and Libre 3.

CGMs + Nutritionist Support: The Power Duo You Need

Even if you pick the perfect sensor—what do you do once you have all that data? At Nutrisense, giving you access to sensors that help you view glucose data is just one part of the solution. A game-changer for your health is the combination of CGM data with expert nutritionist support. Nutrisense gives you access via insurance-covered video calls, offering personalized insights to help you reach your health goals.

Our plans offer guidance from registered dietitians and nutritionists with various specialties, all trained in glucose management to work with your unique body’s data.

Using Your CGM Sensor with the Nutrisense Program

If you already have a continuous glucose monitor (CGM) prescribed by your healthcare provider or want to pick your own over-the-counter CGM sensor, you can still benefit from the Nutrisense platform. You can integrate a number of compatible sensors with the app to unlock a comprehensive set of tools that go far beyond basic glucose data tracking.

After a FREE 3-day trial, you can connect your CGM to the Nutrisense app for an annual membership fee of $199 ( just $16.58 a month!) or a monthly membership of $19 a month, and enjoy features like:

  • Meal logging and scoring to see how your diet impacts glucose levels.
  • Activity tracking to correlate exercise and glucose responses.
  • Insights on glucose trends and personalized metrics to help you better understand your data over time.
  • Your membership also includes access to nutritionist support. You can schedule an insurance-covered video call with a glucose-trained registered dietitian to help you turn your data into an actionable health plan.

See the chart below for more on specific sensor compatibility. With new sensors often released in the market, both prescription and OTC sensor models, we’re constantly innovating to ensure we add newer compatible options so your glucose tracking is smooth and efficient.

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Best CGM Sensors – Side-by-Side Comparison

The main sensors in the market right now include:

Dexcom G7

The Dexcom G7 receiver is 60 percent smaller than the G6 (Dexcom G6 was the leading CGM sensor until the release of the Dexcom G7), provides real-time glucose data, and integrates effortlessly with the Nutrisense app.

Key Features
  • Bluetooth connectivity
  • 10-day sensor wear
  • Waterproof to 8ft for up to 24 hours
  • Enhanced on-device data storage for up to 24 hours
  • Most accurate CGM system
  • 60% smaller than the G6
  • 30-minute sensor warm-up, the fastest of any CGM on the market
  • 12-hour grace period to swap sensors
Ideal Uses
  • Weight Loss
  • Prediabetes & Diabetes
  • Chronic conditions
  • Fitness & lifestyle tracking
  • Health optimization
Nutrisense compatible?Yes
Prescription needed?Yes. The Nutrisense program gives you access to the G7 through their CGM Programs, with prescription included

Libre 3

The FreeStyle Libre 3 is another top of the line CGM device. It’s one of the smallest and thinnest CGMs, allowing discreet placement on your arm.

Key Features
  • Bluetooth connectivity
  • 14-day sensor wear
  • Water resistant to 3ft
  • Requires a device with NFC to activate
Ideal Uses
  • Weight Loss
  • Prediabetes & Diabetes
  • Chronic conditions
  • Fitness & lifestyle tracking
  • Health optimization
Nutrisense compatible?Yes
Prescription needed?Yes. The Nutrisense program gives you access to the Libre 3 through their CGM Programs, with prescription included

Stelo by Dexcom

Stelo was one of the first over-the-counter CGMs approved by the FDA in March 2024. It is the OTC version of Dexcom's G7, and you don't need a prescription to purchase it

Key Features
  • Bluetooth connectivity
  • Slim, discreet sensor for continuous wear
  • 15-day wear, with a 12-hour grace period
  • Waterproof up to 8ft
Ideal Uses
  • Fitness
  • Health optimization
  • Non-insulin diabetes management
  • Lifestyle tracking
  • Health optimization
Nutrisense compatible?Yes
Prescription needed?No

Abbott Lingo

Abbott Lingo became another new contender in the over-the-counter CGM market, launching in the summer of 2024. It offers a compact and affordable solution for continuous glucose monitoring.

Key Features
  • Bluetooth connectivity
  • 14-day wear
  • Water resistant up to 3ft for up to 30 minutes
  • Requires a device with NFC to activate
Ideal Uses
  • Lifestyle tracking
  • Health optimization
Nutrisense compatible?Not yet
Prescription needed?No

Dexcom G6

The Dexcom G6 is the model just before the popular G7. Its compatibility with other diabetes management tools, such as insulin pumps, makes it a popular choice for people with diabetes, but it’s also a good choice for non-diabetics looking to optimize and manage their glucose.

Key Features
  • Bluetooth connectivity
  • 10-day sensor wear
  • Water resistant up to 8 ft
  • 2-hour warmup
Ideal Uses
  • Weight Loss
  • Prediabetes & Diabetes
  • Chronic conditions
  • Fitness & Lifestyle tracking
  • Health optimization
Nutrisense compatible?Yes
Prescription needed?Yes

Libre 2

Another popular CGM from Abbott, Libre 2, provides up to 14 days of continuous glucose monitoring with optional high and low blood sugar alarms. While it requires scanning to read the data, it’s a reliable choice for people to monitor their glucose levels.

Key Features
  • Requires scanning
  • 14-day sensor
  • Water resistant up to 3ft no longer than 30 minutes
Ideal Uses
  • Weight Loss
  • Prediabetes & Diabetes
  • Chronic conditions
  • Fitness & Lifestyle tracking
  • Health optimization
Nutrisense compatible?Yes
Prescription needed?Yes

Eversense

Less commonly used and more suited to people with health conditions, the CGM by Eversense is a continuous glucose monitoring system available only by prescription. It lasts up to six months—you will need a healthcare provider to implant and remove it.

Key Features
  • Implantable CGM sensor
  • 6-month wear time
  • 24-hour warm-up time
  • Has to be inserted and removed by a healthcare provider
Ideal Uses
  • Prediabetes
  • Diabetes
Nutrisense compatible?No
Prescription needed?Yes

Medtronic

More for medical than lifestyle use, Medtronic addresses the service gap for individuals with type 1 and type 2 diabetes who need insulin injections. Their solution is a CGM system paired with a smart insulin pen, ensuring precise dosing and timely reminders for insulin administration.

Key FeaturesIncludes smart insulin monitoring
Ideal Uses
  • Prediabetes
  • Diabetes
Nutrisense compatible?No
Prescription needed?Yes

Nutrisense CGM Program Flexibility and Benefits

Regardless of the CGM you choose, Nutrisense is here to provide the best experience and support for your continuous glucose monitoring journey.

  • We offer a variety of flexible plans to suit any and all your health goals and needs, including weight loss, athletic performance, prediabetes and diabetes management, health habit tracking, and understanding the impact of certain foods on your body.
  • Our app has meal logging and meal comparison features to help members connect the dots between their meals and glucose response to better understand their levels. It integrates seamlessly with several CGM sensors, making it easy to track your glucose levels and see trends in real-time on your Apple and Android devices.
  • With Nutrisense, you can access a team of registered nutritionists and dietitians who can provide personalized guidance and support through 1:1, insurance-covered video calls to help you achieve your health goals.
  • Our data-driven insights help you make informed decisions about your diet and lifestyle to optimize your overall well-being.
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Jennifer

Katrina was my nutritionist and she was absolutely amazing. I learned so much from her in the 1 hour sessions we had. She shared great information for me specifically, made suggestions and was a great listener. I would recommend this service to anyone wanting to just learn about your body and what spikes your insulin...that's why I did it!! I am not a diabetic and workout 5-6 days/week... I was just curious on what foods are best for me and how to increase my energy levels with food being a 50 year old woman with hormonal changes happening all the time. The app was very user friendly and customer service was very responsive. I even had to cut my 6mth subscription short by 2 mths and they were totally cool and made it easy.

Travis McCann

Nutrisense is great, bottom line. I’ve done food logs and programs before but nothing compares to the insight you get from Nutrisense. Tracking glucose levels makes it so easy to identify how foods affect you levels. My nutritionist Payton was amazing. Very knowledgeable and great to talk to. Without him I would not have been able to meet my goals. Very happy I choose Nutrisense

PAMELA L JOHNSON

Being a total novice in the world of CGM's, this app and the support staff are excellent at helping make sense of it all. There are tons of educational tools, and my nutritionist Katie had so much good advice and suggestions. When I first signed up for the 3 month program I was a little concerned about the total price, but after doing this for a month I'm convinced it's well worth it. Thank you Katie and Nutrisense!

Damian

Excellent program to monitor glucose and educate yourself on what works for your own body. The App was so easy to use and provided great insight that I could use daily to tweak my nutrition for the results I was trying to achieve. I lost 20lbs over the course of 12 weeks using the strategies my Nutrisense nutritionist provided me along my journey without feeling restricted from foods I love to eat.

Kiran Chitraju

Great product. Its really helped me understand how my body reacts to food. I have lost 22 pounds just by making changes to my diet based on feedback from NutriSense. Highly recommended product.

Courtney Hays

What an eye-opening experience of seeing exactly how the foods I eat, my stress levels, and sleep impact me! Definitely helps me consider making lifestyle changes to improve my glucose levels. Madison, my nutritionist was especially helpful!

Choosing the Best CGM for Your Health Goals

When selecting the right continuous glucose monitor (CGM), aligning the choice with your health goals is important. Here’s a guide to help you find the best fit for your needs:

  • Best CGM for Weight Loss: The Dexcom G7 is an excellent choice if weight loss is your goal. With real-time glucose tracking, you can see how your body responds to different foods, helping you make better dietary choices. Paired with guidance from a dietitian at Nutrisense, you’ll get more than just glucose data—you’ll receive personalized advice on optimizing your meals and exercise routine for sustainable weight loss. The Nutrisense app offers meal logging and trend analysis to connect the dots between your diet, activity, and glucose levels.
  • Best CGM for Athletes: For athletes looking to fine-tune performance, the Dexcom G7 offer delivers real-time data, allowing you to adjust your fueling strategies during training or competition. Expert dietitian support can take this data to the next level by helping you craft a nutrition plan that matches your performance goals. Paired with the Nutrisense app, you can also log and monitor your routine to get insights into your recovery, activity, and sleep patterns, giving you a holistic view of how your lifestyle impacts your glucose levels.
  • Best CGM for Prediabetes or Type 2 Diabetes:The FreeStyle Libre 3 and Dexcom G7 are ideal for managing prediabetes or type 2 diabetes. These sensors monitor your glucose levels and have options to set up glucose alarms to prevent blood sugar spikes and dips. To get the most out of the sensors, work 1:1 with a registered dietitian who specializes in glucose management. This ensures that the insights you gain aren’t just numbers—you’ll get personalized, data-driven strategies to better control your condition.
  • Best Affordable Over-the-Counter CGM: For those paying out-of-pocket and want a CGM without a prescription, Stelo by Dexcom is an affordable option, offering basic glucose data tracking. However, to truly make the most of it, working with a dietitian helps you transform that data into an actionable plan tailored to your health goals.
  • Best CGM for Type 1 Diabetes: If you have type 1 diabetes, the Medtronic CGM is a strong option. It integrates with insulin pumps, providing continuous glucose data and adjusting insulin delivery in real time.
  • Best CGM for Long-Term Use: The Eversense CGM is the go-to option for people who want long-term glucose monitoring. The implantable sensor lasts up to six months, minimizing the need for frequent replacements.

Ultimately, the best CGM monitor for you depends on your personal preferences and health goals. We recommend consulting with your healthcare professional or one of our health experts to find the best fit for your needs.

Start Your CGM Journey with Nutrisense

Ready to take control of your health? With Nutrisense, you’ll receive more than just access to a CGM. You get to access real-time glucose data with personalized insights from expert nutritionists.

Our flexible plans and user-friendly app make it easy to track glucose levels, log meals, and understand how different factors affect your metabolic health. You can also access our team of glucose experts – working 1:1 with a registered dietitian or nutritionist will help you get the most out of your data.

The Nutrisense app also offers powerful features to help you get the most out of your CGM data, even if you bring your own sensor. One standout feature is the ability to track personalized trend targets – key metrics that help you focus on the aspects of your metabolic health that matter most. The app also allows you to compare glucose responses between meals, so you can experiment with changes like meal timing or ingredient swaps to optimize your glucose control. With a streamlined layout and seamless integration with Apple Health and Android, Nutrisense makes navigating your data easy so you can gain deeper insights into your health.

Your questions
answered.

Still have questions? Here are some answers to a few of the most frequently asked questions.

How will my nutritionist help me?
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Glucose and health data can be confusing, but your nutritionist can help make sense of it all. They will work with you 1:1 through video calls (if eligible for insurance coverage, most pay $0 out-of-pocket), to help you achieve your wellness goals. By analyzing your data, they will suggest lifestyle changes that are personalized to your body. With your nutritionist's help, you can create manageable habits and track them to meet your health goals.

How do I choose the right CGM sensor?
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It depends on your health goals. For conditions like prediabetes and diabetes, prescription options like Dexcom G7 and Libre 3 offer advanced features. If you prefer OTC sensors, the Stelo CGM provides easy access. Whatever sensor you choose, the best way to get the most out of your data is to work 1:1 with a glucose expert, like Nutrisense’s glucose-certified registered dietitians and nutritionists.

Can I use my own CGM with Nutrisense?
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Yes, Nutrisense gives you access to prescription sensors like the Dexcom G7 and Libre 3, and allows you to connect your own CGM, whether it’s an OTC sensor like Stelo or a prescription sensor like Dexcom G6 or Libre 2. Sync your sensor to the Nutrisense app and access insights, patterns, trends, and options to work with glucose-certified registered dietitians and nutritionists to get the most out of your data.

If I have my own sensor with its own app, can I still use Nutrisense?
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Absolutely! Nutrisense works seamlessly with various CGM sensors, even if you already use an app provided by the manufacturer. The Nutrisense app enhances your experience by offering advanced features like personalized trend targets, meal comparisons, and more detailed glucose insights. You can easily sync your data and benefit from the additional tools Nutrisense provides to make sense of your glucose patterns.

*Disclaimer: The Nutrisense program is not intended to diagnose, cure or prevent any conditions such as diabetes.