Insulin Sensitivity
How responsive cells are to insulin — the metabolic health metric that weight loss, exercise, and GLP-1 therapy improve.
Insulin sensitivity is insulin resistance read in the hopeful direction: the more sensitive your cells, the less insulin required per meal, the steadier your energy, and the easier your body releases stored fat between meals. Athletes sit at one end of the spectrum; untreated metabolic syndrome at the other.
It responds quickly to the right inputs — measurable improvement can appear within weeks of consistent exercise or early weight loss, well before the mirror changes. Resistance training is uniquely potent because muscle is the body's largest glucose sink. On GLP-1 therapy, improving sensitivity is part of why benefits compound: each kilogram lost makes the next one metabolically cheaper.
This glossary entry is general information, not medical advice, and is written to be consistent with FDA prescribing information and primary trial publications as of its last review. Always consult a licensed healthcare provider for personal medical decisions.
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