Independent CGM reviews

Find the CGM worth your money.

We review Dexcom, Abbott, Levels Health, Nutrisense, and every OTC option — so you can make a confident choice without the marketing spin.

40
Articles published
6
Devices reviewed
0
Paid placements
How much will CGM monitoring cost you?
Best value ★ Lowest cost
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Devices we cover

Click for full review
Dexcom G7
Prescription, best AID compatibility
9.1 / 10
🔵
FreeStyle Libre 3
Best accuracy, 15-day wear
9.2 / 10
🟢
Dexcom Stelo
Best OTC CGM, no prescription
9.0 / 10
🟡
Abbott Lingo
OTC with daily score system
8.6 / 10
📱
Levels Health
Best CGM app & metabolic scoring
8.7 / 10
👩‍⚕️
Nutrisense
CGM + dietitian coaching
8.9 / 10

Latest reviews & guides

30 published
Review
Dexcom G7 Review 2026
Is the G7 worth the price? Accuracy, app, comfort, and who should buy it.
Review
FreeStyle Libre 3 Review 2026
Best-in-class accuracy, 15-day wear, and often the more affordable option.
Review
Dexcom Stelo Review 2026
The first OTC CGM from Dexcom. 15-day wear, no prescription needed.
Review
Abbott Lingo Review 2026
OTC CGM with a daily score system. The simplest way to start tracking metabolic health.
Review
Levels Health Review 2026
The most sophisticated CGM app for metabolic health. Is the premium price justified?
Review
Nutrisense Review 2026
CGM plus registered dietitian coaching. The best-supported CGM subscription available.
Comparison
Levels Health vs Nutrisense
App sophistication vs dietitian coaching — which CGM subscription is right for you?
Guide
CGM Devices Compared — 2026
Dexcom, Abbott, Medtronic, and OTC options. What each device does best.
Guide
CGM Without a Prescription — 2026
Stelo, Lingo, and subscription platforms compared. No doctor visit required.
Guide
Does Insurance Cover CGM?
Medicare, private insurance, prior authorization — and what to do if you're denied.
Guide
What is Time in Range?
The most important CGM metric explained — and why it matters more than HbA1c.
Guide
Normal Blood Sugar After Eating
What CGM reveals about post-meal glucose spikes — and how to keep them in range.
Weight Loss
Can CGM Help You Lose Weight?
The science behind glucose, metabolism, and why CGM changes how people eat.
Weight Loss
Best CGM for Weight Loss 2026
Which OTC CGM gives you the best results for metabolic weight management?
Diabetes
CGM for Prediabetes
How real-time glucose data helps reverse prediabetes. Device picks and what to look for.
Diabetes
CGM for Type 2 Diabetes
Which CGM is right for Type 2 — insulin vs non-insulin users explained.
Diabetes
CGM for Diabetes — Complete Guide
Type 1 and Type 2 diabetes management with CGM. Devices, insurance, and getting started.
Foundation
What is Continuous Glucose Monitoring?
How CGM devices work, who they're for, and what the research says.
Foundation
Metabolic Health & Glucose Optimization
What metabolic health means and why glucose stability matters beyond diabetes.
Foundation
Metabolic Health 101
Why only 12% of adults have optimal metabolic health — and how to measure and improve yours.
Foundation
CGM Technology & How It Works
The science behind continuous glucose sensors — from electrochemical sensing to wireless transmission.
GLP-1
Ozempic and CGM: Why GLP-1 Users Are Turning to Glucose Monitors
How CGM reveals what Ozempic and Wegovy are doing to your metabolism in real time.
GLP-1
Best CGM for GLP-1 Users 2026
Which CGM works best on Ozempic, Wegovy, or Mounjaro — OTC and prescription options compared.
GLP-1
What is GLP-1? How These Medications Change Weight Loss
How Ozempic, Wegovy, and Mounjaro work — and what they do to your glucose and metabolism.
GLP-1
Wegovy vs Ozempic: What's the Difference?
Same drug, different doses and approvals. Which is right for weight loss vs diabetes?
Comparison
Dexcom Stelo vs Abbott Lingo 2026
The only two OTC CGMs compared head-to-head — accuracy, cost, app, and who should pick which.
Guide
Best CGM for Athletes 2026
Top picks for fuel timing, recovery, and performance tracking — OTC and prescription compared.
Guide
CGM for Intermittent Fasting 2026
What CGM data actually shows during fasting windows — and which devices track it best.
Foundation
How to Read CGM Data
A beginner's guide to your glucose graph — axes, trend arrows, TIR, GMI, and what apps show differently.
Guide
CGM Accuracy Comparison 2026
MARD data for every major device. Which CGM is most accurate — and what affects real-world accuracy.