Can a smartwatch measure blood glucose?

No consumer smartwatch can directly measure blood glucose as of 2026. They display data from paired CGM sensors. Be wary of watches claiming direct glucose measurement without a sensor.

Which CGM works best with Apple Watch?

Dexcom G7 has the most mature Apple Watch integration, displaying real-time glucose, trend arrows, and customizable alerts directly on the watch face.

Best Smartwatches for Diabetes Management