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[ COMPARISON ]

Best Continuous Glucose Monitors for Biohackers (2026)

Updated 2026-05-21

The biohacker CGM market in 2026 is two sensors and ten wrappers. Eight of the ten programmes here ride on the same two pieces of hardware — Abbott Libre 3 or Dexcom G7 — and compete on what the software, coaching and ecosystem do with the data. We scored the ten most credible programmes against the same rubric: insight depth, sensor accuracy, coaching, app integration, flexibility and value. The list is comprehensive enough that it covers effectively the entire non-diabetic CGM market worth knowing about.

[ TOP_PICKS ]

#1Best overall
Levels8.4 / 10

The deepest food-by-food insight engine in the category, on Dexcom G7 — the premium reference programme.

#2Best for human coaching
Nutrisense8.0 / 10

A registered dietitian assigned to every subscriber, alongside the same Dexcom G7 hardware as Levels.

#3Best science-backed personalisation
Zoe7.7 / 10

Tim Spector’s programme — the only one fusing CGM, gut microbiome and blood biomarkers into a single food-ranking model.

#4Best value (Dexcom G7)
Stelo by Dexcom7.6 / 10

Dexcom’s OTC consumer programme — same sensor as Levels at a third of the long-term cost.

#5Best ecosystem integration
Ultrahuman M17.5 / 10

Glucose composed with HRV, sleep and recovery from the Ultrahuman Ring Air in one app.

#6Best for weight loss
Signos7.4 / 10

AI-driven meal-by-meal coaching on Dexcom G7 — the most behaviourally directive programme.

#7Best for EU users
Veri7.3 / 10

Polished EU-focused programme with Garmin/Oura integration — the right pick where Levels does not ship.

#8Best entry point
Lingo by Abbott7.2 / 10

Abbott’s OTC Libre 3 consumer line — the cheapest legitimate US CGM access, no subscription required.

#9Best for German-speaking EU
Hello Inside6.9 / 10

Native-language CGM coaching for the DACH region — content depth without the US-programme price.

#10Best for endurance athletes
Supersapiens6.7 / 10

The only CGM programme built for race-day glucose pacing, with Strava/Garmin integration — EU only.

[ COMPARISON_TABLE ]

ProductOverallSensor accuracy and reliabilityInsights and analysis qualityCoaching and guidanceApp and integration UXProgramme flexibility and data accessValue
Levels8.49.09.07.58.57.55.5
Nutrisense8.09.08.09.58.07.05.5
Zoe7.77.58.58.08.55.56.5
Stelo by Dexcom7.69.07.05.57.58.08.5
Ultrahuman M17.58.57.56.58.07.07.5
Signos7.49.08.07.07.56.56.5
Veri7.38.57.57.08.07.07.0
Lingo by Abbott7.28.57.05.07.58.59.0
Hello Inside6.98.07.06.57.07.57.0
Supersapiens6.78.07.55.07.55.56.5

Verdict

Hardware splits the field into two camps and almost nothing else does. Eight of these ten programmes are software and coaching wrappers around either Abbott Libre 3 or Dexcom G7 — so the right buying question is not which sensor, it is which wrapper. Levels wins overall on insight depth, on the most accurate sensor (Dexcom G7), at the highest price. Nutrisense delivers a registered dietitian on the same sensor for slightly more. Stelo is the same Dexcom G7 hardware at roughly a third of the long-term cost, with a simpler insight engine. Zoe is the only programme treating CGM as part of a wider biomarker fusion. Ultrahuman M1 is the right pick if you already own (or plan to own) the Ultrahuman Ring Air. Signos is the AI-driven weight-loss specialist; Veri is the EU equivalent of Levels; Lingo is the cheapest legitimate entry; Hello Inside fits German-speaking users; Supersapiens is for EU endurance athletes. Pick the wrapper that matches your goal, not the brand that markets hardest.

How we ranked them

Every programme was scored against ONDA’s published review methodology: six weighted criteria, with insights and analysis quality carrying the most weight because that is the category’s real differentiator. Eight of the ten programmes ship the same two underlying sensors — so sensor accuracy alone does not separate them.

All ten programmes were assessed from manufacturer documentation, the published Dexcom G7 and Abbott Libre 3 validation literature, and independent 2026 reviews rather than hands-on testing, so treat the scores as an evidence-based starting point.

The short version

The market is hardware-converged and software-divergent. Two sensors carry the entire non-diabetic CGM category in 2026: Abbott Libre 3 (Lingo, Ultrahuman M1, Veri, Hello Inside, Zoe, Supersapiens) and Dexcom G7 (Levels, Stelo, Nutrisense, Signos). The wrappers are what you are actually buying.

Two clean breakpoints in the price ladder:

Premium coaching tier ($140–$310/month): Levels, Nutrisense, Signos. Deepest insights, best app design, most expensive. Right pick if CGM is a serious tool, not an experiment.

OTC value tier ($22–$100/month): Lingo, Stelo. No prescription, no subscription required. Same underlying sensors, simpler apps. Right pick if you want to find out whether CGM changes anything for you before committing.

Around those two breakpoints the rest of the field carves out specific use cases — Zoe for multi-biomarker personalisation, Ultrahuman M1 for ring-ecosystem integration, Veri and Hello Inside for EU users, Supersapiens for endurance athletes. The category is small enough that the ten programmes here are effectively the universe; the right answer is which use case fits you.

[ FAQ ]

What is the best CGM for biohackers in 2026?

For the deepest insight engine and the most accurate sensor, Levels — on Dexcom G7, at $199 a month. For the same sensor at a third of the long-term cost, Dexcom Stelo. For a registered dietitian alongside the data, Nutrisense. For multi-biomarker personalised nutrition, Zoe. The right pick depends on what trade-off matters most to you.

Do I need a prescription for a CGM in 2026?

No longer in the US. The FDA cleared the first OTC CGMs in 2024 — Abbott Lingo and Dexcom Stelo — and they are sold without a prescription. Levels, Nutrisense and Signos still route through telehealth prescription, but acquisition is automated and never a blocker. Outside the US, OTC availability varies by country.

Which sensor is more accurate, Abbott Libre 3 or Dexcom G7?

Dexcom G7 is marginally more accurate in independent validation — MARD ~8.2% versus ~9% for Libre 3 — and that gap drives the score difference between programmes shipping each sensor. For most non-diabetic biohacker use cases both sensors are accurate enough. Choose the wrapper first, not the sensor.

Is a CGM worth it if I am not diabetic?

For most non-diabetic users the value is in two to three months of self-experiment, not lifetime continuous wear. A short stretch of CGM data combined with structured meal experiments will reveal personalised glycaemic responses — which foods spike you, how exercise modulates the response, how sleep affects fasting glucose — most of which generalise without continued wear. The biohackers who keep wearing CGMs long-term are using them as accountability or training tools rather than for new information.

Which CGM programme is the cheapest in 2026?

Abbott Lingo at $49 per 2-week sensor, or $89 for a 4-pack (~$22/month effective). Dexcom Stelo is $99/month for two sensors. Both are OTC and require no subscription beyond the sensors themselves. Coached programmes — Levels, Nutrisense, Signos, Veri — run from $140 to $310 a month.

Which CGM programme works best with Oura or Whoop?

Ultrahuman M1 — natively, because the Ultrahuman Ring Air shares the same app and timeline as the CGM data. Levels integrates with Oura via Apple Health. Veri and Hello Inside support Garmin and Oura via Apple Health / Google Fit. Nutrisense and Stelo support Apple Health only.

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