Stelo: Over-the-Counter Glucose Insights

Stelo by Dexcom is breaking new ground in metabolic health monitoring. Developed by Dexcom, a leader in CGM (Continuous Glucose Monitoring) systems, Stelo is the first over-the-counter (OTC) glucose biosensor in the U.S.—designed for adults with prediabetes or type 2 diabetes who don't use insulin. It lets users monitor their glucose 24/7 without a prescription, offering insights into how lifestyle affects blood sugar levels.

How It Works

Stelo consists of a small sensor worn on the back of the upper arm, which captures glucose readings every five minutes and transmits them to a smartphone app. No fingersticks are required, and the system offers up to 15 days of wear time, accompanied by an additional 12-hour grace period. 

Accuracy is high—about 93% comparable to lab testing—and the app delivers glucose trends, personalized insights, and behavioural education.

Why It Matters

• Greater Access: By eliminating prescription requirements, Stelo empowers more people—including those who manage glucose through lifestyle—to monitor their levels conveniently.

• Health Insights You Can Act On: Users gain real-time feedback on how meals, exercise, sleep, and stress affect their glucose—helping build awareness and healthy habits.

• Award-Winning Innovation: In 2024, Stelo was honored among TIME’s Best Inventions for OTC CGMs and earned recognition from GQ for its role in metabolic health.

• Supportive Design: Waterproof up to 8 feet, paired with an intuitive app featuring spike detection and in-app learning, Stelo emphasizes user-friendly and seamless monitoring.

Applications & Considerations

Stelo is ideal for users interested in metabolic awareness, especially those wanting to see how lifestyle choices affect their glucose. However, it lacks real-time alarm features and isn't suitable for insulin-dependent users or those with severe hypoglycemia risk. Individuals who rely on alerts for glucose management should continue using prescription CGM options like the Dexcom G7.