Nutrition
Continuous Glucose Monitor
A continuous glucose monitor tracks glucose trends via a skin sensor for diabetes care and personal meal learning. Trends matter more than chasing perfectly flat lines.
A continuous glucose monitor (CGM) is a wearable sensor that tracks interstitial glucose throughout the day—standard care for diabetes, increasingly used by wellness users to learn meal responses. CGMs show trends, not perfect lab values; context (sleep, stress, training) explains swings.
Avoid obsessive chasing of flat lines.
Common questions
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Do non-diabetics need a CGM?
Optional—CGMs teach meal responses but are not required for health. Fasting glucose, A1c, energy, and habits remain core; use CGM as a short experiment if curious.
Related terms
Put Continuous Glucose Monitor into practice
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