Episode
33. Why Doesn't My Doctor Test My Fasting Insulin? What Your Blood Work Might Be Missing
- Podcast
- Health Beyond Weight Loss |Insulin Resistance, Blood Sugar, Brain fog, Natural Remedies, Keto, Faith
- Published
- Jul 23, 2026
- Duration seconds
- 636
- Processing state
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Summary
Why Doesn't My Doctor Test My Fasting Insulin? What Your Blood Work May Be Missing Have you ever been told your blood work was "normal"... but you still didn't feel like yourself? If you've struggled with stubborn weight gain, fatigue, blood sugar swings, cravings, high blood pressure, brain fog, or recurring health concerns, you may have wondered if your lab work is telling the whole story. In this episode of the Health Beyond Weight Loss Podcast, Registered Nurse and Metabolic Health Educator TaShawn Davis, RN, explains what a fasting insulin test is, how it differs from A1C and fasting glucose, and why understanding your blood work can help you have more informed conversations with your healthcare team. You'll also learn what an A1C really measures, why red blood cell lifespan matters, factors that can influence A1C results, and why no single blood test should ever be interpreted in isolation. Whether you're living with prediabetes, type 2 diabetes, insulin resistance, PCOS, metabolic syndrome, obesity, fatty liver disease, or unexplained fatigue, this episode will help you better understand the purpose and limitations of common metabolic lab tests. In This Episode ✔ What a fasting insulin test measures ✔ Why fasting insulin is different from blood sugar ✔ What your A1C actually measures ✔ Why red blood cells matter when interpreting A1C ✔ Conditions that can influence A1C results ✔ The difference between fasting glucose, A1C, and fasting insulin ✔ What laboratory reference ranges really mean ✔ Why "normal" lab results don't always answer every clinical question ✔ Why understanding your blood work empowers better conversations with your healthcare provider Key Takeaways • A1C reflects average blood sugar over approximately the previous 2–3 months because glucose att…