What is Insulin Resistance, and Why Does it Matter?

What is Insulin Resistance, and Why Does it Matter?

You’ve likely heard the term insulin resistance, but what is insulin resistance? Understanding insulin resistance can help you improve your health, find a healthy weight, and prevent chronic disease.

Keep reading to learn about insulin resistance, health risks, and how to reverse insulin resistance with diet and lifestyle measures. Spoiler: healthy snacking is critical.


What is Insulin Resistance?

First, let’s explain insulin. Insulin is a hormone made by the pancreas that helps with many metabolic functions. Its primary role is to help shuttle glucose from the blood (blood sugar) into your cells. Then, your cells turn the glucose into energy.

Insulin resistance occurs when fat accumulates in the liver and pancreas, resulting in elevated blood sugar and insulin. The cells that need the glucose for energy have a challenging time getting it because they become “resistant” to insulin’s signals.


Is Insulin Resistance Good or Bad?

Insulin resistance over time leads to metabolic syndrome, pre-diabetes, type 2 diabetes, weight gain, certain cancers, and cardiovascular disease. It’s an underlying cause of chronic disease, often beginning decades before a diagnosis.


Foods That Increase Insulin Resistance

Insulin resistance is worsened by the modern food environment and highly processed, packaged food. A diet that is low in fruits, vegetables, nuts, seeds, and other whole foods that supply fiber, protein, and healthy fats also contributes. If you want to make insulin resistance worse (which you don’t!), eat a standard American diet (SAD diet).


Does Insulin Resistance Make You Tired?

Feeling tired after a meal can be a sign of insulin resistance. Despite having just eaten calories, the glucose may not be making its way into cells efficiently, causing a decline in energy.

Other signs and symptoms of insulin resistance may include:

  • Increased hunger and cravings
  • Increased thirst
  • Frequent urination
  • Frequent colds and infections
  • Excess weight, especially around the midsection
  • Elevated blood sugar and hemoglobin A1C
  • Elevated insulin levels
  • Elevated cholesterol and triglycerides
  • Elevated blood pressure

Early stages of insulin resistance may be symptom-free, making regular blood screenings essential.


Insulin Resistance How to Fix/ What Stops Insulin Resistance

Diet and lifestyle changes that support balanced blood sugar levels and achieving a healthy metabolic weight for you. Note that you can have insulin resistance at any weight, so it’s less important to fall in a particular BMI category and more important to be at a healthy metabolic weight for you as an individual.

In addition to nutrition suggestions, which I’ll cover next, exercise, restorative sleep, and stress management support a healthy metabolism and improve insulin sensitivity (reversing insulin resistance).


Foods to Avoid with Insulin Resistance

Reducing processed foods with refined sugar, flour, and oils is the first step in reversing insulin resistance. Don’t place too much emphasis on what you can’t eat. Instead, focus on adding whole, health-promoting foods to your diet. Eat foods that your ancestors would recognize as food, food you cook into meals, and read labels for whole-food ingredients.


Which Foods Improve Insulin Resistance?

Eating balanced meals and snacks with three key components will help you meet your nutrient needs and improve your metabolic health. These include:

  • FiberFiber feeds the microbiome, which adjusts metabolism at a genetic level. It also slows down digestion for a better blood sugar response.

In other words, there’s more to the insulin resistance story than demonizing carbohydrates. Read more in Debunking Carb Myths Part 1 and Part 2.


Foods to Eat for Insulin Resistance

Working with a dietitian can help you personalize your approach and ensure you meet your nutrition needs, especially for protein, fiber, and healthy fats. Some helpful foods to include in the diet are:

  • Chia seeds
  • Flax seeds
  • Cashews
  • Peanuts
  • Cacao
  • Quality sources of protein
  • Quality plant-based protein powder
  • Gluten-free oats

You’ll find many of these whole food options in Scott’s Protein Balls. Scott’s Protein Balls are designed with your metabolic health in mind, combining protein, fiber, and healthy fat for stable blood sugar and energy whenever you need a pick-me-up. They satisfy sweet cravings without the crash, unlike most snack foods. Grab a bag today!

  • Lori Levine is an eternal optimist and after undergoing breast cancer treatment, she learned she had to upgrade her snacks to upgrade her health. She and her husband Scott became accidental entrepreneurs after he lovingly created quality protein balls made from tasty, easily recognizable ingredients that are as convenient as they are healthy and delicious! Even better? 1% of all sales are donated to Breast Cancer Research Foundation (BCRF) to help support breast cancer research. #betheend.