Answer all questions for your risk score

Blood work questions can be skipped if you don't have results.

Body Metrics

Used to apply sex-specific waist circumference thresholds.

Measure at the level of your navel (not the narrowest point). Select your biological sex above to see personalized thresholds.

Blood Work optional

From a fasting blood panel (no food for at least 8 hours).

Physical Signs
Dark, velvety skin patches on your neck, armpits, or groin (acanthosis nigricans)

These patches are darker than your surrounding skin and may feel velvety. A key clinical sign of high insulin levels.

Small soft skin tags on neck, armpits, or under breasts
Energy crash, brain fog, or sleepiness within 1–2 hours after eating
Lifestyle & History
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Pair with the HOMA-IR Calculator
If you have fasting glucose and fasting insulin lab values, the HOMA-IR calculator gives you a precise, clinically validated insulin sensitivity score — the gold standard for identifying insulin resistance.
Calculate your HOMA-IR →

What is insulin resistance?

Insulin resistance means your body's cells don't respond normally to insulin — the hormone that moves glucose from your blood into cells for energy. The pancreas compensates by producing more insulin, which can work for years before blood sugar begins to rise. By the time prediabetes is diagnosed, insulin resistance has often been present for a decade.

It's estimated that up to 40% of US adults have insulin resistance, many without knowing it. The GLP-1 era has brought new awareness to the underlying metabolic dysfunction that drives obesity and type 2 diabetes — and insulin resistance is the central mechanism.