Molecule / biomarker

CGM

Continuous glucose monitors for metabolic optimization.

2 items tagged2 categories

By Ryan · Founder

Updated May 5, 2026

Continuous glucose monitoring (CGM) hardware and software - the longevity-adjacent application of diabetes-developed sensors. The Levels / Veri / Nutrisense / Stelo cluster competes on app intelligence + clinician layer rather than sensor hardware (most use the same Abbott or Dexcom underlying sensors).

CGM - ranked picks

2 items

Ambrosia RIZZ non-invasive CGM smart ring

DEEP REVIEW

Ambrosia Systems·Wearables

RIZZ

A smart ring that estimates continuous glucose trends without a sensor in your arm - the first credible attempt at non-invasive CGM in a wearable.

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Levels·AI & Software

Levels Membership

The CGM-as-a-service that turned blood sugar from a diabetic metric into a longevity metric.

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Frequently asked

What are the best cgm?

Our top pick is the Ambrosia RIZZ Ring. We rank the 2 options here by editor verdict and value; the ranked picks above show the full list and who each one suits.

How does Lifespan Vault choose these?

We rank by editor verdict and value, not commission. Items with a long-form deep review lead the list, and affiliate links are disclosed and never affect the order.