Testing & Assessment

Evidence-based articles about testing & assessment from Duluth Metabolic.

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2 articles in Testing & Assessment

High Fasting Insulin With Normal A1C: The Early Warning Sign Most People Miss

High fasting insulin with normal A1C can point to early insulin resistance years before diabetes shows up on routine labs. Learn what it means, why it happens, and what to do next.

March 25, 2026Read more →

Testing & Assessment

Optimal vs Normal Lab Ranges: Why 'Normal' Isn't Always Healthy

Discover why normal lab ranges may not reflect optimal health and learn the functional medicine ranges that predict vitality, longevity, and disease prevention.

March 22, 2026Read more →

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