Overview
CGMs like those from Levels or Signos use sensors to track glucose continuously. This reveals how different foods, exercise, and stress affect your blood sugar.
What experts say
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David Sinclair
Harvard longevity researcher
"Keeping glucose stable and avoiding spikes is one of the most important things you can do for longevity. A CGM helps you see this in real-time."
P
Peter Attia
Longevity physician
"Continuous glucose monitoring gives you real-time feedback on how food affects your blood sugar. It's incredibly educational even for non-diabetics."
Our take
Eye-opening even for non-diabetics. Seeing your glucose response to different foods changes behavior fast. Worth trying for a month to learn your patterns.
Products
★ Top pick
Levels Health CGM
Levels · $$$
CGM + app with insights. Monthly subscription.
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