For patients presenting with fasting glucose 100–125 mg/dL, HbA1c 5.7–6.4%, or clinical signs including acanthosis nigricans, skin tags, or unexplained post-meal fatigue.
There’s a specific kind of disorientation that comes with being told your numbers are “borderline.”
Not diabetic. Not fine. Somewhere in between and staring at a lab result that raises more questions than your doctor had time to answer.
Insulin resistance and prediabetes occupy exactly that territory. They’re common enough that clinicians sometimes deliver the news quickly, assuming patients know what it means. Most don’t. And that gap between the diagnosis and a real plan is exactly where people get stuck or where the condition quietly progresses.
This masterclass is our attempt to close that gap. We’re going to walk you through why this happened, what it actually means for your body, and what the evidence says you can do about it starting today!
Part 1: The Pattern Behind the Diagnosis
How Your Body Gets Here
This is the opening of a longer article.
The full piece — the mechanisms, the labs to ask for, and what to do about it — is free to read on our newsletter.
Sources & Research
Every claim in this article is grounded in peer-reviewed research. DOI links open the original studies.
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Galaviz KI, et al. PMC10420389 — full network meta-analysis of pharmacological and non-pharmacological prediabetes reversal interventions. American Journal of Preventive Medicine. 2022. PMC full text available at pmc.ncbi.nlm.nih.gov/articles/PMC10420389
DeFronzo RA, Tripathy D. Skeletal muscle insulin resistance is the primary defect in type 2 diabetes. Diabetes Care. 2009;32(Suppl 2):S157–S163. doi:10.2337/dc09-S302
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American College of Lifestyle Medicine. Clinical Practice Guideline for the Use of Therapeutic Lifestyle Change as the Primary Intervention for Prediabetes and Type 2 Diabetes. American Journal of Lifestyle Medicine. 2023.
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Hashimoto K, Dora K, Murakami Y, et al. Positive impact of a 10-min walk immediately after glucose intake on postprandial glucose levels. Scientific Reports. 2025;15(1):22662. doi:10.1038/s41598-025-07312-y
Colberg SR, Zarrabi L, Bennington L, et al. Postprandial walking is better for lowering the glycemic effect of dinner than pre-dinner exercise in type 2 diabetic individuals. Journal of the American Medical Directors Association. 2009;10(6):394–397.
Dempsey PC, Howard BJ, Lynch BM, et al. Interrupting prolonged sitting with brief bouts of light walking or simple resistance activities reduces resting blood pressure and plasma noradrenaline in type 2 diabetes. Journal of Science and Medicine in Sport. 2016;19(10):769–775.
Knowler WC, Barrett-Connor E, Fowler SE, et al. Reduction in the incidence of type 2 diabetes with lifestyle intervention or metformin. New England Journal of Medicine. 2002;346(6):393–403. doi:10.1056/NEJMoa012512
Chaudhary PS, Deshmukh SV, Jaybhaye D, Kaur S. Comparative study of efficacy and safety of berberine hydrochloride versus metformin in newly diagnosed prediabetic patients: a randomized clinical trial. International Journal of Basic & Clinical Pharmacology. 2025;14(5):694–699. doi:10.18203/2319-2003.ijbcp20252563
Ye Y, Liu X, Wu N, et al. Efficacy and safety of berberine alone for several metabolic disorders: A systematic review and meta-analysis of randomized clinical trials. Frontiers in Pharmacology. 2021;12:653887. doi:10.3389/fphar.2021.653887
