Bone Broth Fast Gut Reset: The Simple Reset Your Belly Has Been Begging For

Did you know that nearly 70% of your immune system lives in your gut? Yeah, I was today years old when that really hit me. I’d been dealing with bloating, brain fog, and that gross “heavy” feeling after every meal for months. Honestly, I thought it was just part of getting older. Spoiler alert: it wasn’t.

That’s when I stumbled onto the idea of a bone broth fast gut reset. At first, I was skeptical. Like, sipping broth for a few days instead of eating real food? Sounds miserable, right? But after doing a ton of research — and honestly, getting a little desperate — I gave it a shot. And wow, I wish I’d done it sooner.

What Exactly Is a Bone Broth Fast?

A bone broth fast is when you temporarily replace solid meals with warm, mineral-rich bone broth for a set period — usually between 24 and 72 hours. The goal is to give your digestive system a serious break while flooding it with gut-healing nutrients. Think of it like hitting the restart button on your whole digestive system.

Bone broth is loaded with collagen, gelatin, glutamine, and glycine — all things your gut lining absolutely loves. According to research published in the National Library of Medicine, glutamine plays a critical role in maintaining intestinal barrier function. In plain English? It helps seal up a leaky gut. That’s kind of a big deal.

Why Your Gut Might Need a Reset

Look, modern life is rough on your gut. Processed foods, stress, antibiotics, alcohol — they all mess with your gut microbiome in ways most people don’t even realize. I personally wrecked mine after a really stressful semester at work and way too many late-night tacos. No judgment if you’ve been there too.

Signs your gut might need some love include bloating, irregular digestion, food sensitivities, low energy, and even skin issues. Healthline has a solid breakdown of leaky gut symptoms if you want to dig deeper into whether that might be your issue. Sometimes just seeing it all listed out is enough to make things click.

How to Do a Bone Broth Fast the Right Way

Okay, here’s where I made my first mistake. I jumped in with zero prep and felt awful by hour six. Don’t be like me. A little planning goes a long way when it comes to a gut reset fast.

• Prep 2-3 days before: Start cutting out processed foods, sugar, and alcohol. Ease your body into it.
• Choose quality broth: Homemade is best, but if you’re buying it, look for options with no added sodium or fillers. Kettle & Fire is one brand I’ve personally used and trusted.
• Drink 4-6 cups per day: Spread them out throughout the day to keep hunger manageable and nutrients flowing.
• Stay hydrated: Herbal teas and water are your best friends here. Don’t skip this step.
• Rest when you can: Your body is doing some serious internal housekeeping. Let it.

Most people do a 24-hour fast to start. Three days is more advanced and should honestly be approached with caution, especially if you have any underlying health conditions. When in doubt, check with your doctor first — no article on the internet is a substitute for real medical advice.

What I Noticed After My First Bone Broth Reset

By the end of day two, I felt lighter. Not just physically — mentally too. The brain fog I’d been carrying around like a backpack full of rocks? Gone. My digestion felt smoother, and that constant low-grade bloat had finally chilled out. It wasn’t magic. But it sure felt like it.

After breaking the fast, I was way more mindful about what I put back in. That’s kind of the hidden benefit nobody talks about — a bone broth fast gut reset naturally resets your relationship with food, not just your gut bacteria. You start craving real, whole foods instead of junk. At least, that’s what happened for me.

Ready to Give Your Gut the Reset It Deserves?

A bone broth fast isn’t for everyone, and that’s totally fine. But if your gut has been giving you grief and you’re looking for a gentle, natural way to start healing from the inside out, it’s absolutely worth trying. Just go slow, listen to your body, and don’t skip the prep work like I did.

As always, make it your own. Adjust the timing, experiment with different broths, and pay attention to how your body responds — because your gut is uniquely yours. And please, if you have a serious digestive condition, loop in a healthcare professional before jumping into any kind of fast.

Curious about more ways to support your gut health naturally? Head over to Prime Guts — there’s a whole collection of posts waiting to help you feel your absolute best, inside and out.