When cells respond less to insulin, so the body needs more of it to keep glucose in check.
In insulin resistance, muscle, fat, and liver cells don't take up glucose as readily in response to insulin. The pancreas compensates by making more, and glucose can creep up when it can't keep pace.
It's a central feature of prediabetes and type 2 diabetes, and it's strongly influenced by activity, sleep, and body composition.
General information, not medical advice. Browse the full glossary or the glycemic index of foods.
Learn what the reference numbers mean, then track your own logged readings and their share in your selected range. GMI and estimated A1C are withheld when source and coverage are unvalidated.
Educational content maintained by the SteadyRange. Source and terminology check: September 30, 2026. Independent clinical review is pending; no clinical reviewer credentials are claimed.