Chris Kresser

CHRIS KRESSER

The Hidden Cost of Popular Weight Loss Drugs No One Talks About

What happens when up to 40% of your weight loss comes from muscle instead of fat—and why there might be a better way

Weight loss medication concept

Maybe you've been there. You've tried diet after diet, watched the scale barely budge, and felt like your body was working against you no matter what you did.

So when GLP-1 medications like Ozempic and Wegovy became available, they seemed like the answer you'd been waiting for. Finally, something that could quiet those relentless cravings and help you lose weight without feeling like you were fighting your own biology.

But recent research* presented at ENDO 2025 has revealed something concerning about these medications that most doctors aren't discussing with their patients.

Here's what the study found: While GLP-1 drugs are effective for weight loss, up to 40% of that weight loss may actually come from muscle tissue, not fat.

This was especially true for women and adults over 65. The researchers noted that without proper strength training and adequate protein, people using these medications could end up weaker, less mobile, and with slower metabolisms than when they started.

Why Losing Muscle Matters More Than You Think

I know what you might be thinking: "At least the number on the scale is going down." I get it. When you've struggled with weight for years, any movement feels like progress.

But here's what I've learned in my 15+ years working with patients: muscle loss can quietly sabotage everything you're trying to achieve.

"I've seen too many patients celebrate initial weight loss, only to find themselves gaining it all back—and then some—because they'd lost the very tissue that keeps their metabolism running strong." - Chris Kresser

Your muscle does so much more than just make you strong:

  • It's your metabolic engine: More muscle means you burn more calories even at rest
  • It stabilizes your blood sugar: Muscle soaks up glucose like a sponge, keeping your levels steady
  • It supports your immune system: Healthy muscle produces compounds that keep you resilient
  • It's your insurance policy for aging: The people who age best are those who maintain their muscle mass

The frustrating irony: You might lose weight initially, but with less muscle, your metabolism slows down. This makes it harder to maintain your weight loss and easier to regain—often leaving you worse off than when you started.

What Your Body Actually Needs

This research got me thinking about something fundamental. These GLP-1 drugs work by replacing a hormone your body should be making naturally. It's like using a hearing aid when what you really need is to heal your ears.

Your body produces its own GLP-1 in specialized cells throughout your intestines. When it's working properly, this hormone:

  • • Tells your brain when you've had enough to eat
  • • Helps you feel satisfied longer after meals
  • • Keeps your blood sugar steady
  • • Supports healthy insulin function

The problem is that modern life—stress, processed foods, poor sleep, medications—has disrupted this natural system for many of us.

What if there was a way to restore your body's natural ability to produce GLP-1, giving you the appetite control and metabolic benefits you want without risking muscle loss or drug dependency?

Two Natural Solutions That Actually Work

In my research, I've discovered two natural compounds that show real promise for supporting your body's own GLP-1 production. And unlike synthetic drugs, they work with your body's natural systems.

🧬 Butyrate - Reactivating Your Body's GLP-1 Factories

Butyrate is a natural compound that healthy gut bacteria produce when they digest certain fibers. Think of it as fuel for the cells in your intestines that make GLP-1.

What the research shows:

  • • When you give butyrate to the right cells, they start producing more GLP-1 naturally
  • • People with higher butyrate levels tend to have better appetite control
  • • It supports the healthy gut bacteria that keep your metabolism running smoothly

The catch: Most butyrate supplements get destroyed by stomach acid before they reach the cells that actually need them. You need a specific form that can survive the journey to where it matters most.

🌿 Curcumin - Nature's Multi-Tool for Metabolism

You probably know curcumin as the compound that gives turmeric its golden color. But it's also one of the most studied natural compounds for supporting healthy metabolism.

Here's what makes it special for GLP-1:

  • • It directly encourages your intestinal cells to release more GLP-1
  • • It calms inflammation that can interfere with appetite signals
  • • It helps your body respond better to insulin
  • • It supports overall metabolic health

The problem: Regular curcumin is notoriously hard for your body to absorb. You need a form that's been specially designed to actually get into your bloodstream and reach your cells.

A Different Path Forward

What if you didn't have to choose between being overweight and losing precious muscle mass? What if you could work with your body instead of against it?

This is where a functional medicine approach makes all the difference:

  • You're supporting what's already there: Instead of overriding your natural systems, you're optimizing them
  • You're protecting your muscle: No synthetic hormones that might interfere with muscle tissue
  • You're building long-term health: Creating metabolic resilience, not dependency
  • You're addressing root causes: Getting to why your appetite control stopped working in the first place

To be clear: I'm not saying GLP-1 medications are never appropriate. For some people in certain situations, they may be necessary. But given these new concerns about muscle loss, I think it makes sense to try natural approaches first.

The Protocol That's Changing Lives

After working with thousands of patients struggling with weight and metabolism issues, I've developed a specific protocol that harnesses these two powerful compounds in their most effective forms.

This isn't about throwing supplements at the wall and hoping something sticks. It's a carefully designed approach that:

  • • Uses only the specific forms of butyrate and curcumin proven effective in studies
  • • Solves the absorption problems that make most supplements useless
  • • Follows the precise dosing that research shows actually works
  • • Includes supporting nutrients that enhance the main ingredients

The goal isn't just weight loss. It's helping your body rediscover its natural ability to regulate appetite, maintain steady energy, and support healthy metabolism—without sacrificing the muscle that keeps you strong and healthy.

The patients who've followed this protocol tell me they finally feel like their body is on their side again. They're not fighting cravings all day. They're not crash-dieting only to regain the weight. They're building sustainable health.

Discover My Natural GLP-1 Support Protocol

If you're tired of fighting your body and ready to work with it instead, I want to share the exact protocol I've developed.

It's based on the latest research, refined through years of clinical practice, and designed to help you reclaim your natural appetite control without compromising your health.

Learn More About The Protocol

You've probably tried enough approaches that didn't work. Maybe it's time to try one that actually supports what your body is designed to do naturally.

The choice is yours. But now you know there might be a better way.

These statements have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease. The information provided by this website is not a substitute for a face-to-face consultation with your physician, and should not be construed as individual medical advice.

*The Endocrine Society. (2025, July 15). Semaglutide melts fat—but may quietly strip away your strength. ScienceDaily. Retrieved July 29, 2025 from www.sciencedaily.com/releases/2025/07/250715043349.htm