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 What if I told you…

The reason you’re always hungry…
The reason you keep thinking about food…
The reason weight keeps coming back…

…has nothing to do with willpower?

What if the real problem isn’t just what you’re eating…

It’s possible that your body may have lost the signal that tells you to stop eating.

What is Insulin Doing to GLP-1?

Because that may explain why so many people:

• • Feel hungry all the time
  • Struggle with cravings
  • Gain weight easily
  • Don’t feel satisfied after eating
  • Crave sweets and sugar
  • Feel like they’re always thinking about food

Most people believe this is a discipline problem.

They need more willpower.
More control.
More restrictions.

But what if that’s not true?

What if the real issue is that your body isn’t sending the signal that tells you to stop eating?

Because there is a hormone responsible for that signal.

And if it’s not working properly, everything changes.

That hormone is called glucagon-like peptide-1, or GLP-1.

What is GLP-1?

GLP-1 is a hormone made in your gut when you eat.

It helps your body:

• • Slow down how fast food leaves your stomach
  • Reduce appetite
  • Lower glucagon, a hormone that raises blood sugar
  • Control blood sugar after meals

In simple terms:

GLP-1 is your body’s natural brake system.

It slows things down so your body can handle food properly [1][2].

Why GLP-1 Does Not Last Long

Your natural GLP-1 is short-lived.

It is quickly broken down by an enzyme called dipeptidyl peptidase-4 (DPP-4).

Its half-life is only about 1 to 2 minutes [3][4].

That is why GLP-1 drugs were created, to make this signal last longer.

What Most People Get Wrong About GLP-1

You’ve probably heard that GLP-1 increases insulin.

That is partly true, but incomplete.

GLP-1 is part of the incretin effect, which means your body handles sugar better when it is eaten compared to when it enters the bloodstream directly [1][5].

But in real life:

GLP-1 often reduces the need for insulin.

Because it slows digestion and slows how fast glucose enters your bloodstream [6][7].

Two People, Same Meal, Completely Different Results

Let me show you something that changes how you think about hunger.

In a study published in Gut in 1996, researchers gave two groups of people the same meals:

• • One group was lean
  • One group had obesity

They tested both a high-carbohydrate meal and a high-fat meal.

Here’s what happened.

After the high-carbohydrate meal:

• • The lean group had a strong GLP-1 response
  • The group with obesity had very little GLP-1 response

Same food.
Same amount.
Completely different hormonal response.

GLP-1 is one of the main signals that tells your brain you are full.

So, the lean individual eats and feels satisfied.

The other person eats the same meal and does not get that signal.

They are more likely to:

• • Keep eating
  • Go back for seconds
  • Feel hungry again soon

Not because they lack discipline.

Because their body didn’t send the signal to stop.

This is why “just eat less” does not work for so many people.

Transition: This Is Where Insulin Comes In

Now here’s the part most people never hear.

If GLP-1 is your body’s brake…

Then insulin plays a major role in whether that brake works properly.

And when insulin is elevated too often, for too long, that system can start to break down.

What Happens When Insulin Stays High

Research shows that chronically elevated insulin (hyperinsulinemia) can affect the cells in your gut that produce GLP-1.

These cells are called L-cells.

In the short term, insulin can support GLP-1 release.

But over time:

Chronically high insulin can make L-cells less responsive and reduce their ability to produce GLP-1 [10].

The Vicious Cycle

Here’s what that looks like:

1. 1. You eat foods that raise insulin quickly
   2. Insulin stays high too often
   3. L-cells become less responsive
   4. Less GLP-1 is produced
   5. You don’t feel full
   6. Food moves faster
   7. Blood sugar spikes higher
   8. Your body needs even more insulin

And the cycle continues.

Why You Feel Hungry All the Time (The Missing Signal)

If your GLP-1 response is weaker:

• • You don’t feel full as easily
  • You may keep eating
  • Cravings feel stronger
  • “Food noise” increases

That constant thinking about food is not random.

It may be that your body is missing an important signal.

Why GLP-1 Drugs Feel So Powerful

GLP-1 drugs help reduce:

• • Hunger
  • Cravings
  • Food noise

They do this because they replace a signal your body may not be producing well.

The Deeper Issue

GLP-1 drugs do not fix why the signal became weak.

If chronically high insulin contributed to the problem, that issue still needs to be addressed.

The Biggest Misconception

Many people believe:

“If I lose weight, I’m metabolically healthy.”

That’s not always true.

Weight loss does not always mean full metabolic health.

The Truth About Insulin

Lower insulin because you’re eating less is not the same as having a body that handles food better.

That is the difference between:

• • Managing the problem
  • Fixing the problem

The Goal is Not Lower Insulin, It’s Better Insulin

It’s not about how little insulin you make… it’s about how well your body uses it.

Lower insulin can happen by:

• • Eating less
  • Skipping meals
  • Taking a drug

But that is not the goal.

Better insulin means your body responds properly when you eat.

This is called metabolic flexibility.

What Reversing Insulin Resistance Really Means

Reversing insulin resistance means your body can handle normal meals efficiently.

That includes:

• • Healthy insulin signaling
  • Improved cell membrane function
  • Better nutrient delivery into cells
  • Better oxygen flow
  • Efficient removal of waste
  • Improved energy production, called adenosine triphosphate (ATP)

Where GLP-1 Drugs Fall Short

GLP-1 drugs can help with weight loss.

But they do not fix how your body responds to food.

If insulin resistance remains:

• • Appetite often returns when the drug is stopped
  • Weight regain is common
  • Some weight loss may include muscle
  • Lower muscle can reduce metabolic rate

The Real Risk

Someone might lose weight or even be lean and appear healthy, yet still have underlying metabolic dysfunction, including insulin resistance, high blood pressure, migraines, and more.

My Take

This is not just a GLP-1 story.

It is an insulin story.

GLP-1 is part of your body’s natural system.

But when insulin stays high for too long, that system may become less effective.

Bottom Line

GLP-1 drugs can help, but they are not the root solution.

Lower insulin is not the goal.
Better insulin is the goal.

You don’t get healthy by eating less forever.
You get healthy when your body learns how to handle food again.

If you’re ready to improve your metabolic health, support insulin sensitivity, and create a sustainable approach to weight loss and overall health, you can learn more about our meal plans here: https://dietfreelife.store/meal-plans/

References

1. 1. Baggio, L. L., & Drucker, D. J. (2007). Biology of incretins: GLP-1 and GIP. Gastroenterology, 132(6), 2131–2157.
   2. Holst, J. J. (2007). The physiology of glucagon-like peptide-1. Physiological Reviews, 87(4), 1409–1439.
   3. Ahrén, B. (2004). Regulation of GLP-1 by DPP-4. Hormone and Metabolic Research, 36(11–12), 867–876.
   4. Sharma, D. et al. (2018). GLP-1 receptor agonists. Biomedicine & Pharmacotherapy, 108, 952–962.
   5. Nauck, M. A., & Meier, J. J. (2016). The incretin effect. The Lancet Diabetes & Endocrinology, 4(6), 525–536.
   6. Flint, A. et al. (2001). GLP-1 effects on appetite. International Journal of Obesity, 25(6), 781–792.
   7. Hirota, Y. et al. (2019). GLP-1 drug effects. Endocrine, 64(1), 43–47.
   8. Vilsbøll, T. et al. (2001). Reduced GLP-1 in type 2 diabetes. Diabetes, 50(3), 609–613.
   9. Matikainen, N. et al. (2014). GLP-1 and obesity. Diabetes Care, 37(1), 242–251.
   10. Lim, G. E. et al. (2009). Insulin regulates GLP-1 secretion. Endocrinology, 150(2), 580–591.
   11. Ranganath, L. R. et al. (1996). Attenuated GLP-1 secretion in obesity.

__________
Robert Ferguson is a California- and Florida-based single father of two daughters, clinical nutritionist, Omega Balancing Coach™, researcher, best-selling author, speaker, podcast and television host, health advisor, NAACP Image Award Nominee, creator of the Diet Free Life methodology, and Chief Nutrition Officer for iCoura Health. He also serves on the Presidential Task Force on Obesity for the National Medical Association and the Health and Product Advisory Board for Zinzino, Inc.

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