Megan Pfiffner: Functional Nutrition

View Original

The Glucose-Insulin Connection: What to Know About Your Body’s Energy Besties

In recent posts, we covered insulin’s role as your “money manager” for glucose. Now, let’s break down glucose itself, how it works in your body, and why managing it is crucial for overall health.

What Exactly is Glucose?

Glucose is a simple sugar derived from carbohydrates in foods like bread, vegetables, and fruits. When carbohydrates aren’t readily available, your body can produce glucose from fat and amino acids to keep your blood sugar stable. Think of glucose as the body’s cash—without it, your cells, muscles, and organs can’t perform their jobs.

From Glucose to Energy: The Mitochondria Connection

Once glucose enters a cell, tiny powerhouses called mitochondria (remember those from 9th-grade biology?) convert it into ATP, the main energy currency of the cell. This conversion is crucial because ATP powers nearly every function in the body, from muscle contractions to cellular repair.

The Role of Insulin: Your Glucose Money Manager

After you eat, insulin decides where to allocate this glucose “cash.” First, it distributes glucose to your cells, liver, and muscles. Any leftover glucose is then stored as fat—think of it as your body’s mobile savings account, readily available for future energy needs. However, when there’s more glucose than your cells, liver, and muscles can use, insulin has to work overtime to store the excess as fat. This overload can lead to insulin resistance, where insulin struggles to keep glucose levels balanced, leading to higher blood glucose and insulin levels—signs of metabolic dysfunction.

Tracking Glucose and Insulin

Doctors often focus on blood glucose since it’s easy to measure, especially in people with insulin resistance or type 2 diabetes. Two common measures are:

  • Fasting Glucose: This reflects your blood sugar levels after an overnight fast, and elevated levels can indicate that insulin has already been struggling.

  • HbA1C: This reflects average glucose levels over three months and can indicate glucose spikes after meals, even if fasting glucose appears normal.

Curious About Your Glucose Levels?

If you want to understand your blood sugar and insulin levels better, ask your doctor for a screening at your next check-up. For real-time tracking of how your meals impact blood sugar, consider trying a Continuous Glucose Monitor (CGM). A CGM provides valuable insights, and I offer a CGM package to help you balance your levels and optimize your health.

Want a deeper understanding of your blood sugar and energy balance? Let’s create a strategy using real-time data with a CGM package! Schedule a consultation to take control of your glucose and feel more energized.