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Move from guesswork to clarity. The Dexcom Stelo is the first FDA-cleared, over-the-counter glucose biosensor designed specifically for adults (18+) not on insulin. By providing continuous, 24/7 insights directly to your smartphone, Stelo reveals exactly how your unique body responds to food, exercise, stress, and sleep—empowering you to make the small, daily shifts that lead to lasting wellness.
Why Stelo is the Ultimate Wellness Tool
No Prescription, No Fingersticks: Experience the power of professional-grade sensing technology with no doctor's visit and no painful finger pricking—ever.
24/7 Real-Time Insights: While traditional meters only give you a "snapshot," Stelo tracks your levels every minute to capture spikes and patterns you might otherwise miss.
AI-Powered "Smart Food Log": Simply snap a photo of your meal in the app; Stelo's AI identifies ingredients and maps them against your glucose response so you can see exactly which foods work for you.
Built for Your Life: With the highest waterproof rating available, you can swim, shower, and sweat for up to 24 hours in up to 8 feet of water without missing a beat.
Longest Wear Time: Each sensor lasts up to 15 days (plus a 12-hour grace period), giving you a full 30 days of data with this 2-pack supply.
Zero Alarms, Zero Stress: Designed to be alert-free, the app provides deep insights into spikes and low patterns without the constant interruptions of traditional medical alarms.
FSA/HSA Eligible: Take control of your health using your pre-tax health savings dollars.
What's Included in Your 30-Day Supply
Every box contains everything you need for a month of metabolic discovery:
2 Simple Applicators: Pain-free, one-button application that 96% of users say is comfortable.
2 All-In-One Biosensors: Discreetly worn on the back of the arm for 15 days of continuous tracking each.
2 Medical-Grade Overpatches: Keeps your sensor secure through intense workouts and daily life.
Technical Specifications
| Feature | Details |
| Wear Duration | 15 Days per sensor (30 Days Total) |
| Warmup Time | 30 Minutes |
| Accuracy | Powered by Dexcom's 25+ years of sensor innovation |
| Compatibility | Requires iOS 16.2+ or Android 12+ |
| Dimensions | Discreet low-profile design (27.3mm x 24.1mm x 4.6mm) |
| Water Resistance | Up to 8 feet / 24 hours |
| FSA/HSA Eligible | Yes |
| Prescription Required | No — FDA-cleared OTC for adults 18+ |
Frequently Asked Questions
Do I need a prescription to buy Dexcom Stelo?
No. Dexcom Stelo is FDA-cleared as an over-the-counter (OTC) device. Any adult 18+ who is not on insulin can purchase it without a prescription.
Where can I buy Dexcom Stelo online?
You can buy Dexcom Stelo directly from Prestige Medical Supply at $99 for a 2-pack (30-day supply). We offer fast shipping and no prescription is needed.
Is Dexcom Stelo FSA or HSA eligible?
Yes. Dexcom Stelo qualifies as an FSA/HSA-eligible medical device, so you can use your pre-tax health savings dollars to purchase it.
How long does each Dexcom Stelo sensor last?
Each sensor lasts up to 15 days, with a 12-hour grace period. This 2-pack gives you a full 30-day supply of continuous glucose monitoring.
Who should use Dexcom Stelo?
Stelo is designed for adults 18+ who want to understand how their body responds to food, exercise, sleep, and stress — and who are not currently using insulin. It is not intended for people on dialysis or those with problematic hypoglycemia.
How does Dexcom Stelo compare to other CGMs?
Unlike prescription CGMs like the Dexcom G7, Stelo requires no prescription and is designed for wellness monitoring rather than clinical glucose management. It features a 15-day wear time — the longest available in an OTC biosensor.
Important Information: Stelo is intended for adults 18+ who are not on insulin. Do not use if you are on dialysis or have problematic hypoglycemia. Always consult your healthcare provider before making medical changes based on sensor data.