Stelo Glucose Biosensor
Meet Stelo—a powerful glucose biosensor that tracks your glucose 24/7. When you pair Stelo with your Oura Membership, you’ll be able to see your glucose in the Oura App, revealing how your meals, activity, sleep, and stress impact your glucose levels so you can make choices that help you feel your best. You’ll get a 30-day supply when you purchase a 2-pack.
- For people NOT on insulin, ages 18 years or older.
- Don't use if: on insulin, on dialysis, or if you have problematic hypoglycemia
2-pack
Stelo Glucose Biosensor
2-pack
Setting the standard
in glucose monitoring
Up to 15-day wear time1, the longest on the market
Highest waterproof2 rating of any glucose biosensor
No prescription needed and FDA-cleared
Oura and Stelo—better together
Get a clear view of your metabolic health with Oura and Stelo, the only glucose biosensor to integrate with the Oura App. You’ll see your 24/7 glucose levels, alongside contextual graphs and personalized insights. The result: actionable data into how your body metabolizes the food you eat and the choices you make, so you can start feeling full of energy, every day.
Glucose tracking made simple
No need for finger-sticks, ever. Stelo is easy and painless to apply3.
Seamlessly integrates with the Oura App
Access personalized insights and contextual graphs with your 24/7 glucose levels.
Proven technology you can trust
25+ years of industry-leading accuracy4 with Dexcom continuous glucose monitors (CGM).
Why your metabolic health matters
Your food choices have the power to transform how you feel. Dive deeper into Oura’s new Metabolic Health features to understand how your glucose levels can impact your holistic wellbeing.
Learn More about metabolic healthFAQs
Stelo is a personal glucose biosensor that tracks your glucose levels 24/7 to reveal how food, exercise, and even sleep can affect your glucose. You might be more familiar with the term “continuous glucose monitor” (CGM); CGMs require a prescription, whereas the Stelo biosensor is available without a prescription.
Tech Specifications
Quality Materials
- Stelo adhesive patches are made with hypoallergenic and latex-free materials
- Waterproof2
Sensors
- Stelo has proven to be 93% accurate4 when compared to a laboratory blood glucose test5.
Battery Life
- 15 days1 + 12 hour grace period
Weight and Dimensions
- Width: 27.3mm
- Length: 24.1mm
- Thickness: 4.6mm
Compatibility
- Stelo is only available in the US and English
- Stelo is compatible with Stelo MAS and the Oura App
- Integrates with major health apps like Apple Health
- Stelo App is available on iOS and Android6
Connectivity
- Bluetooth Low Energy (Bluetooth Smart®)
- Transmitter Range: 20ft
- Data Transmission: Stelo measures glucose every 5 minutes and sends data to the app every 15 minutes.
- 1 A study was conducted to assess the sensor life where 77.9% of sensors lasted the full 15 days. In other words, when using the product per the package labeling, approximately 20% of sensors may not last for the full 15 days, 10% of these sensors may last less than 12 days.
- 2 The Stelo biosensor is waterproof and may be submerged under eight feet of water for up to 24 hours without failure when properly installed.
- 3 Stelo User Guide.
- 4 Dexcom, Data on File, 2024.
- 5 Percent of iCGM values within 20% of comparator glucose.
- 6 For Stelo app compatibility information, visit stelo.com/compatibility.
STELO IMPORTANT INFORMATION: Consult your healthcare provider before making any medication adjustments based on your sensor readings and do not take any other medical action based on your sensor readings without consulting your healthcare provider. Do not use if you have problematic hypoglycemia. Failure to use Stelo and its components according to the instructions for use provided and to properly consider all indications, contraindications, warnings, and cautions in those instructions for use may result in you missing a severe hypoglycemia (low blood glucose) or hyperglycemia (high blood glucose) occurrence. If your sensor readings are not consistent with your symptoms, a blood glucose meter may be an option as needed and consult your healthcare provider. Seek medical advice and attention when appropriate, including before making any medication adjustments and/or for any medical emergency.
INDICATIONS FOR USE: The Stelo Glucose Biosensor System is an over-the-counter (OTC) integrated Continuous Glucose Monitor (iCGM) intended to continuously measure, record, analyze, and display glucose values in people 18 years and older not on insulin. The Stelo Glucose Biosensor System helps to detect normal (euglycemic) and low or high (dysglycemic) glucose levels. The Stelo Glucose Biosensor System may also help the user better understand how lifestyle and behavior modification, including diet and exercise, impact glucose excursion. The user is not intended to take medical action based on the device output without consultation with a qualified healthcare professional.
CONTRAINDICATIONS: No MRI/CT/diathermy – MR unsafe.
WARNINGS: Choking hazard: The Stelo Glucose Biosensor System contains small parts and may pose a choking hazard if swallowed. Don't use if you have problematic hypoglycemia: The Stelo Glucose Biosensor System hasn't been designed for these populations. Consult with your healthcare provider to discuss which Dexcom product is right for you. Don't use if you are on dialysis: The Stelo Glucose Biosensor System performance hasn't been evaluated in this population and sensor readings may be inaccurate. Don't ignore low/high symptoms: Consult your healthcare provider when your sensor readings are not consistent with your symptoms of low or high glucose. Don’t change medications: Consult your healthcare provider before making any medication adjustments based on your sensor readings.
The trademarks Dexcom, Stelo, and any related logos and design marks are trademarks of Dexcom, Inc. and are used with permission. © 2025 Dexcom, Inc.