Reversing Insulin Resistance

Reversing Insulin Resistance

Reversing Insulin Resistance

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Knowing what to do isn’t the hard part; it’s DOING it. Move beyond good intentions to action, one simple step at a time in the Healthy Looks Great on You LAB. An exclusive, private Facebook group for women only. 

Hosted by:

Vickie Petz Kasper, M.D.

Diplomate of the American Board of Obstetrics and Gynecology  – Retired

Diplomate of the American Board of Lifestyle Medicine – Retired

Learn more about Dr. Vickie

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Insulin Resistance: What to Do When Your Labs Come Back Wrong

The first time my labs showed signs of insulin resistance, I was convinced it was an error. I exercised regularly. I ate well. This wasn’t supposed to happen to me. So I had them repeated — and sure enough, my numbers were better. Until they weren’t.

Looking back, that first result was probably my body’s earliest warning that I have a genetic tendency toward diabetes. But even if I’d taken it seriously, I’m not sure I would have known what to do. That’s exactly why I’m writing this today.


A Little History First

The first real clue that type 2 diabetes could be reversed came from the operating room. In the mid-90s, researchers observed something surprising in patients who had bariatric surgery — not only were they losing weight, their type 2 diabetes was disappearing, sometimes before they’d lost significant weight. That told researchers something important: this wasn’t just about calories.

That discovery eventually led to research on whether aggressive dietary changes could produce the same effect. Some of those early approaches were pretty extreme — not exactly something most people could sustain. And that’s been the pattern for decades. People start radical diets, can’t stick with them, and end up back where they started.

It wasn’t until 2016 that major health organizations, including the WHO, formally accepted that type 2 diabetes is reversible through lifestyle intervention. And it took another five years or so for that idea to really filter into everyday medicine. The good news is we’re there now — and you don’t have to do anything radical to start moving in the right direction.


Yes, Weight and Exercise Matter — But Stay With Me

I know. You’ve heard it before. Diet and exercise. But before you click away, let me tell you what that actually means, because it’s probably not what you think.

Even a 10% reduction in body weight can meaningfully improve insulin resistance. And exercise helps in two ways: it makes your muscles soak up blood sugar even when insulin levels are low, and over time it makes your body more sensitive to insulin overall. Both strength training and aerobic exercise have benefits, but even a short walk after meals makes a measurable difference — and it’s the most doable place to start.

So yes, put down your fork after dinner and go for a walk. That one habit alone is worth something.


What to Actually Eat

There isn’t one perfect diet for insulin resistance, but there are some clear principles.

Fiber is your best friend. You need at least 30 grams a day, and you can only get it from plants — fruits, vegetables, beans, legumes, nuts, seeds, and whole grains. The more those foods resemble the way nature made them, the better. Multigrain bread on a package label sounds healthy, but it usually just means multiple processed grains. Whole grain means something different — look for that instead.

Eat in the right order. This one is surprisingly powerful and surprisingly easy. Eat your fiber first — vegetables, beans, nuts. Then protein and fats. Save the simple carbs for last. You don’t have to change what’s on your plate, just the order you eat it. Research shows this can meaningfully reduce your blood sugar response to a meal.

Fruit is not the enemy. People with insulin resistance are often told to avoid fruit because of the sugar. But whole fruit comes packaged with fiber and polyphenols that actually help counter the inflammatory response to sugar. Studies show that people who eat fruit regularly have a lower risk of developing insulin resistance. Berries, kiwis, and clementines are especially good choices. Just eat them as close to their natural form as possible — a blueberry cobbler doesn’t count.

Watch your saturated fat. Full fat dairy, red meat, and processed meats like bacon can worsen insulin resistance and interfere with the function of the beta cells in your pancreas that produce insulin. Think of your daily saturated fat intake like a golf handicap — the lower the better.

Go heavy on plants. A friend of mine had tried everything to get her HbA1c down — her weight was healthy, she didn’t drink, she exercised, slept well, and managed stress. Nothing moved the needle. She shifted to a whole food, plant-based diet — not strict vegetarian, more like 80/20 — and not only did her A1C normalize, her cholesterol dropped significantly too. Most people can’t make a change that dramatic and make it stick. But nearly everyone can make smaller changes that start shifting things in the right direction.


Don’t Underestimate Stress and Sleep

This is the part people often overlook. Chronic stress keeps cortisol levels elevated, and high cortisol promotes visceral fat — the kind that collects around your organs and drives insulin resistance. Poor sleep makes this worse by throwing off the hormones that regulate hunger and fullness, leading to cravings that make healthy eating harder. It all feeds on itself in a vicious loop.

Stress management and restorative sleep aren’t lifestyle extras. They’re part of the treatment. We go much deeper on both inside the Lab, because knowing they matter is one thing — having an actual plan for managing them is where real change happens.


What Happened When I Put This Into Practice

My energy improved. My focus sharpened. My productivity went up. My mood stabilized. My skin looked better. And the biggest change of all? My appetite stopped feeling out of control.

That last one changed everything.


So Where Do You Start?

You don’t have to overhaul your life overnight. Start here:

Add more fiber and eat it first. Take a walk after meals. Get serious about sleep. Find one stress management practice that actually works for you. And if you eat meat, start shifting the balance toward more plants.

Small changes in the right direction still count as the right direction.


Want to Go Deeper?

Inside the Healthy Looks Great on You LAB, we’re doing a focused deep dive on balancing blood sugar and building better energy — with meal plans, recipes, and a fiber challenge that makes this feel genuinely doable. You’ll learn not just what to do, but how to make it stick, alongside a community of women on the same journey.

This month you can join for just $19/month.

👉 Join the Lab at healthylooksgreatonyou.com/the-lab

Your future self will thank you.


Fruits, veggies and stethescope

Healthy Looks Great on You The LAB

Join our private community and let’s do this together!

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Insulin Resistance: What is it and why does it matter?

Insulin Resistance: What is it and why does it matter?

Insulin Resistance: What is is it and why does it matter?

Need more support?

Knowing what to do isn’t the hard part; it’s DOING it. Move beyond good intentions to action, one simple step at a time in the Healthy Looks Great on You LAB. An exclusive, private Facebook group for women only. 

Hosted by:

Vickie Petz Kasper, M.D.

Diplomate of the American Board of Obstetrics and Gynecology  – Retired

Diplomate of the American Board of Lifestyle Medicine – Retired

Learn more about Dr. Vickie

CAN'T SLEEP?

Get your free guide to turn off your mind and sleep.

You might already know something feels off — you’re tired after meals, craving sugar, carrying extra weight around your middle, or just not feeling like yourself. But here’s something most people don’t know: your blood sugar can look completely normal and insulin resistance can already be working against you.

Insulin resistance isn’t just a precursor to diabetes. It’s a quiet, systemic problem that can affect your brain, heart, kidneys, and eyes — often for years before a single lab value raises a flag. And with over 115 million Americans living with prediabetes, most of them unaware, this is one of the most underdiagnosed health issues of our time.

Here’s the thing — insulin itself isn’t the enemy. It’s actually one of your body’s most important metabolic tools. Think of it like an air traffic controller, directing glucose to your muscles, liver, and cells so your body has the fuel it needs. The problem starts when your cells stop listening.

When the Pancreas Can’t Keep Up

When cells become resistant to insulin, your pancreas does what any responsible organ would do — it works harder, cranking out more insulin to compensate. For a while, it works. Blood sugar stays normal. No symptoms. No diagnosis. But underneath the surface, inflammation and cellular stress are already building.

Eventually the pancreas can’t keep up. Blood sugar rises. Prediabetes sets in. And if nothing changes, type 2 diabetes follows.

The progression is gradual — and largely preventable. That’s why catching it early matters so much.

What You Can Do Starting Today

The good news is that insulin resistance responds to lifestyle changes — sometimes dramatically. You don’t need a complete overhaul. Start with one change:

  • Move after meals. Even a short walk helps your muscles absorb glucose and reduces the burden on insulin.
  • Build muscle. Muscle is one of your body’s biggest glucose sinks — the more you have, the better your insulin sensitivity.
  • Watch what’s around your middle. Waist circumference is one of the most practical indicators of metabolic risk — over 35 inches for women and 40 inches for men increases your risk significantly.

And if you want to know where you stand, ask your doctor about a fasting blood sugar and hemoglobin A1C. Those two numbers can tell you a lot.

Next week we’re answering the question that matters most — can insulin resistance actually be reversed? Subscribe to the newsletter so you don’t miss it.

👉 And if you’re ready to go deeper right now, the Healthy Looks Great on You LAB opens April 24th and starts May 1, 2026 with an entire month dedicated to glucose metabolism. Come do this work with us.

Fruits, veggies and stethescope

Healthy Looks Great on You The LAB

Join our private community and let’s do this together!

Related Episodes

Eat Beans Without the Bloat

Eat Beans Without the Bloat

Eat Beans Without the BloatKnowing what to do isn't the hard part; it's DOING it. Move beyond good intentions to action, one simple step at a time in the Healthy Looks Great on You LAB. An exclusive, private Facebook group for women only. Hosted by: Vickie Petz...