What this product is
Dexcom G7 15 Day is a device sold by Dexcom.
From the maker's page. See the maker's page ↗ We don't repeat the maker's health claims.
What it measures
The maker says the sensor, worn on the arm, measures glucose every five minutes and sends readings to a phone, watch, or receiver. dexcom.com ↗
How well it works in independent tests
A 130-adult study compared it with lab blood tests and found an overall MARD of 8.0%; Dexcom funded the study. medscape.com ↗
In the same study, 82% of low-glucose alerts set at 70 mg/dL were confirmed as true by blood tests. healio.com ↗
FDA status
The FDA cleared the G7 15 Day for adults 18 and older with diabetes. hcplive.com ↗
Battery life
Each sensor is cleared for up to 15.5 days of wear, including a 12-hour grace period, according to the maker. dexcom.com ↗
Dexcom's own study found 73.9% of sensors lasted the full 15 days; about 26% may not. dexcom.com ↗
What the maker offers
A prescription is needed. Sensors come through pharmacies and device distributors, and the maker says it reduces sensors needed from three to two monthly. dexcom.com ↗
Each line rests on a passage quoted word for word from the linked page (hover the link to see it). Accuracy comes only from pages independent of the maker.
About this kind of device
Continuous glucose monitors
A continuous glucose monitor is a device that measures blood sugar every few minutes using a sensor placed under the skin.
Main risk: Continuous glucose monitors are described as sometimes still needing a regular meter to confirm results and set up the device.
Research stage 2: small studies in people. What it measures and the research →
This is research on this kind of device in general, not proof that this model is accurate or right for you.
Outside reviews
No independent reviews of this product found yet.
This is general information gathered from the sources listed, not medical advice. Talk to your doctor before starting anything new.