weightlossprotips

Editorial roundup · Updated 2026

Best CGM for Weight Loss (No Prescription)

A 14-day CGM sensor teaches you what your body does with food better than any nutrition book. These are the four consumer options worth your money.

How we picked

We ranked by accuracy, app quality, and whether the ongoing monthly cost is worth it beyond the first sensor.

  1. #1 Editor's pick
    Stelo — Dexcom

    Dexcom

    Stelo

    First OTC CGM in the US — 15-day wear from the maker of the gold standard

    4.7

    $99 / mo

    • Most accurate consumer CGM on the market (Dexcom hardware)
    • 15-day wear — longest of any OTC option
    • No fingersticks or calibration
    • App is more clinical than gamified
    Read full reviewVisit
  2. #2 Top rated
    Lingo — Abbott

    Abbott

    Lingo

    Consumer-first CGM with a coaching app built for beginners

    4.5

    $89 / mo

    • Most beginner-friendly app in the category
    • Gamified 'Lingo Count' score keeps you engaged
    • Uses proven Abbott FreeStyle Libre hardware
    • iOS only — no Android support yet
    Read full reviewVisit
  3. #3 Top rated
    Levels — Levels Health

    Levels Health

    Levels

    Metabolic-fitness membership with elite-tier data visualization

    4.3

    $199 / yr + sensors

    • Best data visualization and pattern-finding of any CGM app
    • Membership includes a comprehensive metabolic blood panel
    • 'Zone Score' metric turns messy data into a clear signal
    • Annual membership on top of sensor cost
    Read full reviewVisit
  4. #4 Top rated
    Nutrisense — Nutrisense

    Nutrisense

    Nutrisense

    CGM + dietitian coaching — full-service metabolic program

    4.4

    $225 / mo

    • Includes 1:1 registered dietitian coaching
    • Highest-quality food-logging integration in the category
    • iOS and Android both supported
    • By far the most expensive option
    Read full reviewVisit

Other cgms roundups

Best CGM With Coaching & Dietitian Support

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Cheapest CGMs Without a Prescription

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