Do I need a prescription for a CGM?

In the US, Dexcom G7 and Abbott Libre 3 require a prescription. Some telehealth services (Levels, Nutrisense) provide prescriptions as part of their membership. Over-the-counter CGMs are being developed but are not yet FDA-approved for the US market. In some countries, Libre sensors are available without prescription.

Should non-diabetics use a CGM?

It depends on your goals. CGMs provide fascinating insight into how your body responds to food, exercise, sleep, and stress. A 1-3 month trial can teach you which foods cause glucose spikes for your body specifically. Long-term continuous use for healthy individuals is expensive and the marginal benefit decreases after the initial learning period.

Best CGM Monitors 2026