Understanding Insulin Resistance: A Deep Dive

by Susanne  - June 30, 2025

Insulin resistance is a growing concern in today’s health landscape, playing a crucial role in numerous metabolic conditions. Understanding how it starts, develops, and manifests through symptoms can empower individuals to take control of their health. Unfortunately, traditional healthcare often overlooks insulin resistance, making it essential for patients to advocate for their wellness through specific testing.

How Insulin Resistance Starts and Develops 

Insulin resistance begins when the body’s cells become less responsive to insulin, a hormone produced by the pancreas that regulates blood sugar levels. Several factors contribute to the onset of insulin resistance, including poor dietary choices, physical inactivity, genetics, and obesity. Simply put, too much glucose or sugar in the bloodstream leads to too much insulin trying to combat that sugar. This overproduction of insulin is the body’s attempt to lower blood sugar levels. However, over time, the continual high levels of insulin cause the cells to become resistant, meaning they can no longer absorb the sugar and glucose that insulin is trying to move out of the bloodstream and store in the body’s fat cells. This exhaustion of cellular response to insulin creates a vicious cycle of high insulin and high blood sugar levels. Centers for Disease Control and Prevention: About Insulin Resistance and Type 2 Diabetes

Recognizing the Symptoms 

Identifying insulin resistance can be challenging, as its symptoms may be subtle and easily overlooked. Common indicators include:

  • Fatigue: Individuals may feel constantly tired or fatigued despite adequate rest.
  • Increased Hunger: A frequent feeling of hunger, even shortly after eating, can signal insulin regulatory issues.
  • Difficulty Concentrating: Known as “brain fog,” this symptom often leads to challenges in focus and clarity.
  • Weight Gain: Many experience unexplained weight gain, particularly around the abdomen.
  • Skin Changes: Dark patches of skin, particularly in areas like the neck or armpits (known as acanthosis nigricans), may become evident.

Traditional Healthcare’s Oversight 

One of the significant issues with traditional healthcare is the lack of awareness and proactive testing for insulin resistance. Many healthcare providers tend to focus primarily on blood sugar levels, overlooking the underlying metabolic dysfunction that insulin resistance represents. As a result, patients can be diagnosed with conditions like prediabetes or type 2 diabetes without addressing the core problem of insulin resistance. This oversight is troubling, as insulin resistance is often the precursor to these more severe metabolic disorders. NIH: Insulin Resistance

The Necessity of Fasting Insulin Testing 

A fasting insulin test is vital for assessing insulin sensitivity and identifying insulin resistance early. Unfortunately, this test is not commonly performed as part of routine blood work; patients typically need to specifically request it from their healthcare provider. Testing.com: Insulin Test By understanding their fasting insulin levels, individuals can gain important insights into their metabolic health, allowing for earlier interventions and lifestyle adjustments.

Conclusion 

Insulin resistance is a critical condition that lays the groundwork for many metabolic issues, yet it remains underappreciated in standard healthcare settings. By recognizing the signs and advocating for specific testing, individuals can better manage their health and potentially prevent the progression of insulin resistance into more serious conditions. It’s time to prioritize awareness and proactive measures in our approach to metabolic health.

If any part of this blog feels familiar or resonates with you, I invite you to book a call with me. Let’s talk about what’s going on and how you can take charge of your health journey with clarity and confidence.

Click here to schedule your free call – I’d love to support you in moving toward greater energy, balance, and long-term wellness.

Susanne

I’m a certified health coach with multiple advanced certifications designed to help you tackle the root causes of metabolic health issues. Did you know that 93% of Americans have at least one chronic metabolic condition? Or that type II diabetes, now an epidemic, is largely preventable? I specialize in helping you understand your metabolism, what’s really going on in your body, and how to fix it. If you’re feeling stressed, inflamed, bloated, fatigued, or struggling with brain fog, these can be signs of an underlying metabolic imbalance that we can address together. Let’s create a personalized plan to reclaim your energy, vitality, and long-term health - without the overwhelming restrictions.

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