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The Blood Sugar Problem You Might Not Know You Have—and 7 Ways to Turn It Around

November 8, 2026

You’ve probably heard the term insulin resistance everywhere lately. But unless you spend a lot of time thinking about metabolism, it may not be obvious what it actually means—or why you should care.

Here’s the simplest way to think about it: Insulin helps move sugar out of your bloodstream and into your cells, where it can be used for energy. When those cells stop responding as well to insulin, your body has to produce more and more of it to get the same job done.

That’s insulin resistance.

And I believe it’s one of the biggest health crises we’re facing today.

Part of what makes it so concerning is that it can develop quietly for years. Your pancreas may keep pumping out enough insulin to hold your blood sugar in the “normal” range, even while your metabolic health is moving in the wrong direction.

Insulin resistance is also associated with many chronic diseases that can shorten your healthspan, including heart disease, Alzheimer’s, and even some cancers.

Don’t wait to be diagnosed with prediabetes or diabetes before taking action.

In this article, I’ll show you seven practical ways to improve insulin sensitivity—including simple changes to how you eat, move, sleep, and structure your day.

What Drives Insulin Resistance?

Insulin resistance develops through a combination of factors. Diets high in added sugar, refined starches, ultra-processed foods, and excess calories; too little activity; and accumulating visceral fat can all contribute to cells becoming less responsive to insulin over time.

While higher insulin production can often keep your blood sugar levels in the so-called healthy range for decades, it’s a vicious cycle. Eventually, your pancreas can’t keep up. Blood sugar levels start to rise, and you potentially end up with prediabetes or type 2 diabetes.

That matters because insulin resistance is associated with a higher risk of high blood pressure,¹ unhealthy cholesterol and triglyceride levels,^2,3 cardiovascular disease,⁴ depression,⁵ Alzheimer’s disease,^6–8 some cancers,⁹ and other chronic health problems.

Addressing it early matters.

Could You Be at Risk?

Insulin resistance often causes no obvious symptoms. But certain physical signs, symptoms, and metabolic markers—especially when several show up together—can be clues.

• Excess belly fat, or a waist measurement that totals more than half your height
• Fatigue, especially after meals
• Sugar cravings
• Elevated triglycerides, blood pressure, and inflammatory markers
• Skin tags on the neck, armpits, or groin
• Dark patches of velvety skin (acanthosis nigricans) on the neck or armpits

If any of these sound familiar (and even if they don’t), it’s worth taking a closer look at your metabolic health. Standard tests such as fasting glucose and hemoglobin A1c can tell you how your blood sugar is behaving. I also pay close attention to fasting insulin because it can provide additional context about how hard your pancreas is working to keep glucose under control.

7 Steps That Help to Reverse Insulin Resistance

These daily habits may sound simple, but they make a meaningful difference.

▶ Cut back significantly on added sugar and refined starch.
Minimize foods made primarily from white flour and sugar, and avoid ultra-processed foods entirely. All of these can worsen insulin sensitivity.

▶ Prioritize meals that support metabolic health.
Load your plate with non-starchy veggies, protein-rich foods, and healthy fats first. If you’re still hungry, it’s okay to enjoy a small amount of your favorite carbohydrate food. Ideally, choose fibrous, low-glycemic options such as berries, beets, and sweet potatoes—and think of them as accents rather than the main attraction. In general, aim for at least 1.2–1.6 grams of protein per kilogram of ideal bodyweight, and at least 30 grams of fiber, on a daily basis. Fiber and protein can help blunt your glucose response to a meal.

▶ Walk after you eat.
Blood sugar tends to peak about 30–60 minutes after meals. If you walk during this post-meal window, your muscle cells will take up some of that post-meal glucose, even if insulin levels remain relatively low. According to research, even a short walk, as few as 10 minutes, can help counteract insulin resistance.^10,11

▶ Get in some exercise.
As with walking after meals, all forms of exercise can help muscle cells absorb more glucose without needing as much insulin. Ideally, include muscle-building exercises, such as weightlifting, at least twice a week. On other days, do roughly 30 minutes of cardiovascular exercise, such as walking and cycling.^12,13

▶ Try time-restricted eating.
Try to consume your daily meals within a consistent, limited window, such as 8 or 10 hours. For example, if you normally eat breakfast around 8 a.m., try to eat dinner by 6 p.m. By fasting each evening, you do more than give your digestive system a 12- to 14-hour break. You also allow blood insulin levels to subside. Then, by eating when you’re naturally more active during the day, your muscle cells will more readily sop up glucose.^14–16

▶ Prioritize sleep.
When you skimp on sleep, you don’t give your body enough time to recover and clear fatty acids, which can interfere with insulin’s ability to regulate blood sugar. Poor sleep can also make you hungry, cranky, and tired—all of which makes it harder for you to follow a health-promoting diet.^17–19 Ideally, plan for at least 7 hours of shut-eye each night.

▶ Manage stress.
Unrelenting emotional stress can make it harder to exercise, walk after meals, and choose health-promoting foods. In addition, your body’s fight-or-flight response raises blood sugar levels, which can raise insulin too. Cortisol can also interfere with insulin function. There are many ways to keep stress in perspective. You can try hugging a loved one, doing some deep breathing, writing in a gratitude journal, spending quiet time in nature, or meditating.

References

1. Brosolo G, Da Porto A, Bulfone L, Vacca A, Bertin N, Scandolin L, et al. Insulin resistance and high blood pressure: Mechanistic insight on the role of the kidney. Biomedicines. 2022 Sept 23;10(10):2374.

2. Knopp RH, Retzlaff B, Fish B, Walden C, Wallick S, Anderson M, et al. Effects of insulin resistance and obesity on lipoproteins and sensitivity to egg feeding. Arterioscler Thromb Vasc Biol. 2003 Aug 1;23(8):1437–43.

3. Bonilha I, Hajduch E, Luchiari B, Nadruz W, Le Goff W, Sposito AC. The reciprocal relationship between LDL metabolism and type 2 diabetes mellitus. Metabolites. 2021 Nov 28;11(12):807.

4. Kosmas CE, Bousvarou MD, Kostara CE, Papakonstantinou EJ, Salamou E, Guzman E. Insulin resistance and cardiovascular disease. J Int Med Res. 2023 Mar;51(3):3000605231164548.

5. Watson KT, Simard JF, Henderson VW, Nutkiewicz L, Lamers F, Nasca C, et al. Incident major depressive disorder predicted by three measures of insulin resistance: A dutch cohort study. Am J Psychiatry. 2021 Oct 1;178(10):914–20.

6. Arnold SE, Arvanitakis Z, Macauley-Rambach SL, Koenig AM, Wang HY, Ahima RS, et al. Brain insulin resistance in type 2 diabetes and Alzheimer disease: concepts and conundrums. Nat Rev Neurol. 2018 Mar;14(3):168–81.

7. Ferreira LSS, Fernandes CS, Vieira MNN, De Felice FG. Insulin resistance in Alzheimer’s disease. Front Neurosci. 2018 Nov 13;12:830.

8. Willette AA, Bendlin BB, Starks EJ, Birdsill AC, Johnson SC, Christian BT, et al. Association of insulin resistance with cerebral glucose uptake in late middle-aged adults at risk for Alzheimer disease. JAMA Neurol. 2015 Sept;72(9):1013–20.

9. Subedi BK, Bhimineni C, Modi S, Jahanshahi A, Quiza K, Bitetto D. The role of insulin resistance in cancer. Curr Oncol. 2025 Aug 25;32(9):477.

10. Hashimoto K, Dora K, Murakami Y, Matsumura T, Yuuki IW, Yang S, et al. Positive impact of a 10-min walk immediately after glucose intake on postprandial glucose levels. Sci Rep. 2025 July 2;15(1):22662.

11. DiPietro L, Gribok A, Stevens MS, Hamm LF, Rumpler W. Three 15-min bouts of moderate postmeal walking significantly improves 24-h glycemic control in older people at risk for impaired glucose tolerance. Diabetes Care. 2013 Oct;36(10):3262–8.

12. Shute RJ, Montalvo RN, Shen W, Guan Y, Yu Q, Zhang M, et al. Weightlifting outperforms voluntary wheel running for improving adiposity and insulin sensitivity in obese mice. J Sport Health Sci. 2025 Oct 30;15(101100):101100.

13. Niemann MJ, Tucker LA, Bailey BW, Davidson LE. Strength training and insulin resistance: The mediating role of body composition. J Diabetes Res. 2020 May 8;2020:7694825.

14. Yuan X, Wang J, Yang S, Gao M, Cao L, Li X, et al. Effect of intermittent fasting diet on glucose and lipid metabolism and insulin resistance in patients with impaired glucose and lipid metabolism: A systematic review and meta-analysis. Int J Endocrinol. 2022 Mar 24;2022:6999907.

15. Sutton EF, Beyl R, Early KS, Cefalu WT, Ravussin E, Peterson CM. Early time-restricted feeding improves insulin sensitivity, blood pressure, and oxidative stress even without weight loss in men with prediabetes. Cell Metab. 2018 June 5;27(6):1212–21.e3.

16. Fu W, Yang K, Tang R, Wang J, Liu Y, Liu G, et al. Effects of time-restricted eating on glycemic control in type 2 diabetes: A 12-week quasi-experimental single-arm study with 1-year follow-up. Clin Nutr. 2025 Sept;52:263–74.

17. Singh T, Ahmed TH, Mohamed N, Elhaj MS, Mohammed Z, Paulsingh CN, et al. Does insufficient sleep increase the risk of developing insulin resistance: A systematic review. Cureus. 2022 Mar;14(3):e23501.

18. Pinheiro MC, Costa HE, Mariana M, Cairrao E. Sleep deprivation and its impact on insulin resistance. Endocrines. 2025 Oct 11;6(4):49.

19. Zuraikat FM, Laferrère B, Cheng B, Scaccia SE, Cui Z, Aggarwal B, et al. Chronic insufficient sleep in women impairs insulin sensitivity independent of adiposity changes: Results of a randomized trial. Diabetes Care. 2024 Jan 1;47(1):117–25.