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Levels vs Zoe vs Nutrisense (2026)

Levels, Zoe and Nutrisense are the three CGM programmes nutrition-focused users compare when expert layers and methodological depth matter. Three different philosophies on the same input (CGM data): Levels bets on app intelligence and continuous depth, Zoe runs a multi-biomarker scientific reset, Nutrisense pairs continuous CGM with a registered dietitian.

Levels, Zoe or Nutrisense: which is better?

Higher ONDA score: Levels (8.2 vs 7.9 vs 7.6)

Three different products. Levels for the deepest ongoing CGM insight engine. Zoe for science-backed personalised nutrition. Nutrisense for human dietitian coaching on continuous data.

Levels Health8.2 / 10

Levels

CGM coaching programme (Dexcom Stelo)

The most polished biohacker CGM programme — best-in-class insights, now in tiered memberships (from $80/year app-only to $1,329/year with labs and two months of CGM).

Zoe7.6 / 10

Zoe

Personalised nutrition programme (Libre + microbiome + blood)

The most science-backed CGM programme — and the only one fusing glucose, microbiome and blood biomarkers into one nutrition plan.

Nutrisense7.9 / 10

Nutrisense

CGM coaching programme (Dexcom G7 + RD coach)

The strongest human-coaching CGM programme — a registered dietitian alongside Dexcom G7 data.

Head-to-head breakdown

Levels vs Zoe vs Nutrisense — head-to-head comparison by criterion
CriterionWinnerWhy
Continuous CGM useNutrisenseNutrisense: continuous Dexcom G7 for as long as you subscribe. Levels: memberships include 1–2 months of CGM a year, extra months as an add-on. Zoe: 2-week Libre phase only. Nutrisense wins.
Sensor accuracyTieLevels (Stelo) and Nutrisense (G7) both run the Dexcom G7 platform; Zoe runs an older 2-week Abbott Libre. Maker accuracy figures do not count as evidence in ONDA scores, and no independent study compares Zoe’s sensor with the G7 head-to-head, so this axis is a tie.
App insight depthLevelsLevels has the deepest meal-impact engine — AUC decomposition, food-by-food ranking, time-in-range views. Nutrisense competent; Zoe lighter on glucose but unique multi-biomarker.
Human coachingNutrisenseNutrisense: registered dietitian for every subscriber. Levels and Zoe: app-only by default. Nutrisense wins on human layer.
Scientific lineageZoeZoe: PREDICT-1 and PREDICT-2 studies from King’s College London (Tim Spector), published in Nature Medicine. Levels has a credible medical board; Nutrisense has RD involvement.
Multi-biomarker viewZoeZoe is the only programme combining CGM with gut microbiome and blood biomarkers. Levels and Nutrisense are CGM-only.
Personalised food rankingsZoeZoe’s food-ranking model is the programme centrepiece. Levels and Nutrisense show meal impact but do not rank foods against your physiology long-term.
Year-1 costLevelsLevels: $399 (Core, 1 month CGM) to $1,329 (Complete, 2 months CGM) per year. Zoe: ~$1,250 (£300 setup + £60/mo). Nutrisense: ~$3,500 ($280–310/mo with RD). Levels Core is the cheapest year 1, but continuous CGM wear costs extra.

Choose Levels

Choose Levels if you treat CGM as a self-experimentation instrument and want the deepest food-by-food insight engine on Dexcom Stelo (built on G7).

Choose Zoe

Choose Zoe if you want personalised nutrition grounded in published science — CGM + gut microbiome + blood biomarkers fused into a single food-ranking model from the PREDICT studies.

Choose Nutrisense

Choose Nutrisense if accountability through a registered dietitian working with your data weekly is what makes the programme work for you.

The short version

Three nutrition-focused CGM programmes that look adjacent but solve different jobs. Levels for continuous app-driven insight. Zoe for a multi-biomarker scientific reset. Nutrisense for ongoing CGM with a human dietitian on top.

When is Levels the right pick?

If you treat CGM as a self-experimentation instrument — running meal protocols, tracking time-in-range, iterating week by week — Levels is the right shape. The deepest app insights on the Dexcom G7 platform; the membership ($399–$1,329 a year, plus extra CGM months for continuous wear) is the cost.

When is Zoe the right pick?

If you want personalised nutrition grounded in real published science and a one-time multi-biomarker reset (CGM + microbiome + blood) followed by ongoing food rankings is what you want, Zoe is the right shape. The PREDICT studies are the scientific anchor.

When is Nutrisense the right pick?

If accountability through a registered dietitian working through your data weekly is the value, Nutrisense is the right shape. Same Dexcom G7-platform hardware as Levels’ Stelo; the difference is the human coaching layer.

Common questions

Which is best — Levels, Zoe or Nutrisense?

They solve different problems. Levels for ongoing CGM as a self-experimentation instrument. Zoe for personalised nutrition based on a multi-biomarker model (CGM + microbiome + blood). Nutrisense for ongoing CGM with a registered dietitian. Pick on which job is deciding.

Does Zoe include ongoing CGM?

No — Zoe’s CGM phase lasts two weeks, then ends. The programme is the personalised food-ranking model, which you keep through the subscription. For continuous CGM, Levels or Nutrisense.

Which has the most scientific backing?

Zoe, on published trial evidence — the PREDICT studies in Nature Medicine. Levels has a credible medical advisory board but no equivalent published trial series. Nutrisense has registered-dietitian involvement, not a published trial base.

Is Nutrisense worth the premium over Levels?

Only if you would actually engage with the registered dietitian weekly. The Dexcom G7-platform hardware matches Levels’ Stelo; what you pay for is the human coaching layer. For users who would skip the RD message, Levels at $80–$110/month less makes more sense.

Can I do two of these?

Some users start with Zoe for the multi-biomarker reset, then transition to Levels or Nutrisense for ongoing CGM. The three layer cleanly because they emphasise different things — multi-biomarker science (Zoe), continuous app depth (Levels), human coaching (Nutrisense).

See the full ranking

Best Continuous Glucose Monitors for Biohackers (2026)

ONDA ranks the ten best CGMs of 2026 for non-diabetic biohackers — Levels, Nutrisense, Zoe, Stelo, Lingo, Ultrahuman, Signos, Veri, Hello Inside and Supersapiens — scored on insights, accuracy, coaching and value.

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