Comprehensive Guide to Butyrate: What it is, Benefits, Side Effects, & More background image
June 16, 2026

Comprehensive Guide to Butyrate: What it is, Benefits, Side Effects, & More

Ashley Palmer profile image

Ashley Palmer

Nutritional Therapy Practitioner, Health & Wellness Expert
Pooja Mahtani profile image
Medical Review By:

Pooja Mahtani

PHARMD, MS, CNS, LDN, IFMCP, RN

Featured Product:

Butyrate: Gut Health Supplement

Butyrate

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Butyrate: Gut Health Supplement

Butyrate

From £27.99 GBP

Key Takeaways:

  • Butyrate is a short-chain fatty acid that is a necessary component to a balanced microbiome and works as an inflammation guard.*
  • Our body can’t make enough butyrate because we eat too few resistant starches.
  • One of several, short-chain fatty acids created from fermented resistant starches, low butyrate levels have been associated with serious health concerns.
  • Butyrate not only nourishes the gut but also promotes cell differentiation, helps to regulate blood sugar, and promotes healthy DNA.*
  • You can increase butyrate levels by eating foods with butyrate or taking supplements that can come in various forms.

Our gut is where the immune system gets its oomph, where the final products of digestion sit, and where water is absorbed into the body. About 400 different kinds of bacteria live there, most of them good, some not so much. Maintaining the balance of these bacteria is critical to staving off one or another pathology, including IBS/IBD, diverticular issues, and even polyposis. The bottom line is that no one should suffer colon disease, and fewer have to if healthy and appropriate bacteria levels are maintained.

The cells that line the colon walls are called colonocytes. These endothelial beauties are flat and constitute a layer that is only a single cell thick. They live shorter than a week and then are replaced by new ones. Because of this high turnover rate, there’s no need to do harsh cleanses, our bodies do the work for us!

All cells need a source of energy to do their work. Evidence is strong that the epithelial lining of the gut relies more on luminal energy supply than on vascular, meaning that energy comes from outside, not from the bloodstream, as most cells require. So, then, what is this energy supply? Short-chain fatty acids (SCFA’s) derived from the bacterial fermentation of resistant starch are the luminal substrates for colonocytes.

What are short-chain fatty acids?

Short-chain fatty acids, or SCFAs, are metabolites created by the microorganisms in our gut. There are several kinds of these SCFAs, including acetate, butyrate, and propionate. They all serve an important purpose in the gut, but we’ll be focusing on butyrate today.

Quickly find what you’re looking for:

What is Butyrate?

Butyrate is a short-chain fatty acid produced by bacteria in the colon that’s essential for a healthy microbiome. In fact, appropriate levels of butyrate are key, not only to digestion, but to cellular and DNA health as well.*

How does butyrate support the immune system & digestive system?

Butyrate is a key SCFA that supports the colon and the gut lining. Butyrate in particular has been found to be a key factor in supporting a healthy inflammation response in the colon.[4]* On its own, it provides up to 90% of the energy required by the colonocytes, the cells of the colon!* It’s no wonder a deficiency can lead to degradation of the gut lining and subsequent illness. When we have enough butyrate, we have a stronger gut, stronger gut-associated lymphoid tissue (GALT), and a stronger immune response.* Butyrate also supports the mucosa that hydrates the gut lining, promotes cell differentiation, and inhibits enzymes that can interfere with DNA replication.*[5]

Butyrate vs. butyric acid

Butyric acid and butyrate can often be confused but are simply different forms of the same molecule. Butyric acid is the form that you’ll find in food and many supplements and is also called butanoic acid. It’s an SCFA with four carbon atoms at its heart and is found in butter (hence its name) and other dairy products. When butter goes rancid, (i.e. when your Romano cheese sits on the kitchen table for a few hours at ninety degrees), you can experience the unfortunate aroma of butyric acid — a sharp, fermented, rather unpleasant smell. 

Butyric acid has a pH low enough to cause an upset stomach, but when compounded with an alkali, it becomes more than just an agreeable friend. When an acid is mixed with a base, the combination forms a salt plus water. At this stage, we no longer have butyric acid, but butyrate, a buffered form of butyric acid. The terms might be used interchangeably because they have some commonality, but they are not the same.

What Causes Low Butyrate?

At this point, you may be wondering if you have low levels of butyrate, or how you would know if you did. We took this question to our resident expert, Dr. Tom, who let us know that the only way to truly know is by taking a stool test. But, he also mentioned that if you’re not getting adequate fiber from starchy foods in your diet, chances are good you could use some extra butyrate. As we know, the SAD (Standard American Diet) is full of processed foods that are devoid of fiber, and the 25-28 grams we need per day are generally lacking in many diets. In fact, 97% of Americans do not eat enough fiber!

Butyrate levels in the gut can be negatively affected by high-protein, high-fat, low-carb diets. Keto and Paleo diets that restrict carbohydrates and fiber lack the starch needed to make your own butyrate. Carnivore diets can skew SCFA production away from producing butyrate and see higher levels of propionate and acetate.

Butyrate deficiency symptoms

Another way to determine if you might be deficient in butyrate is to consider common symptoms of those who are. These symptoms take time to develop and can include:

      • Leaky gut
      • Gas and bloating
      • Chronic diarrhea
      • Eventual IBS/IBD
      • Crohn's disease 
      • Behavioral irregularities
      • Obesity
      • Aberrant fatty acid metabolism
      • Frequent illness from impaired immune function
      • Foggy thinking from faulty protein metabolism and consequent ammonia accumulation
      • Upset microbiome balance (may look like candida overgrowth or other bacterial imbalance)
      • Increases in inflammation markers
      • Reduced insulin sensitivity
      • Missteps in DNA replication

Who would benefit from having more butyrate in their gut?

Anyone who is experiencing digestive symptoms such as gas, bloating, constipation, diarrhea, and abdominal pain and discomfort may benefit from having more butyrate in their gut. However, every microbiome and body is unique, so you should consult with a trusted practitioner to determine what is right for you.

Butyrate Benefits

So now that we know the symptoms of low butyrate levels, what benefits does this nutrient actually provide? While there are many (including simply reducing the symptoms we mentioned above), there are three primary advantages that butyrate gives us.

Colon Support*

Of the short-chain fatty acids and those having fewer than six carbon atoms, butyrate is the one that nourishes the gut and promotes cell differentiation, a process that helps to prevent serious colonic diseases.* Because of its protective nature, butyrate is a highly-desirable molecule and should be cultivated as a friend, or at least introduced as a partner.

Healthy Inflammation Response*

The fiery process of inflammation is linked to most chronic disorders, from heart attack to stroke to type 2 diabetes. Inflammation fuels a cytokine known as interleukin-6 (IL-6), which remains elevated in chronic sickness. Butyrate is a rescue molecule in inflammatory diseases, wherein it impairs the oxidative processes that initiate their genesis.* By supporting a healthy inflammation response, butyrate may be helpful for many other autoimmune and inflammatory conditions.*

Multi-purpose Repair from Gut to Brain*

Butyrate inhibits enzymes that harm and unwind DNA, just like the kinked-up Slinky we ruined as kids. Butyrate sequesters harmful ammonia that forms from faulty protein metabolism and/or from inborn metabolic errors. In clearing mental fog, it increases brain-derived neurotrophic factors.* Depending on its concentration, butyrate decreases intestinal permeability, closing tight junctions and preventing leaky gut.* SCFAs in general, including butyrate, have also been shown to affect cholesterol metabolism and increase mineral absorption, which is highly beneficial for heart health and circulation health.*

Learn more about the benefits of butyrate here. 

Butyrate Side Effects

The good news is there appear to be very few side effects associated with supplementing butyrate. Our on-staff expert RD, Dr. Tom, says “All reports in the medical papers admit there are no known ill effects from butyrate taken at "normal" doses, which I have extrapolated to be less than 8.0 grams a day for several months. One study does state that more than 20.0 grams a day will waken latent herpes simplex (fever blisters). But that high a dose is not recommended.”

Dr. Tom also notes that, “colonocytes absorb butyrate supplements immediately and rapidly, with more than 95% precision and completeness. The remaining 5% goes to the toilet.” The FDA cites butyrate as Generally Recognized As Safe (GRAS).

How to Increase Butyrate in the Colon

Knowing that there are serious benefits to increasing your butyrate levels and not many negative side effects, how can you incorporate it into your everyday life? The two main ways to achieve this are by eating food with butyrate, or taking specialized butyrate supplements.

Eat foods containing butyrate

As we mentioned earlier, butyrate and SCFA production only come from the food we ingest and the microbial balance in the gut available to break down that food into SCFAs. Most of the foods that allow our microbiome to produce SCFAs are resistant starches, and some of them aren’t the most appetizing. But, when you’re dealing with severe digestive issues or autoimmune diseases, you may find them worth adding to your diet.

It is possible to get butyrate from the foods you consume, but in looking at the average diet, there are generally not enough slowly-digesting fibers to produce the necessary levels with food alone. That’s because a lot of the foods highest in resistant starch are not particularly appetizing, think cold mashed potatoes and white rice.

Foods that do help boost butyrate include:

      • High-quality dairy (but the high serving sizes needed may not be recommended for all)
      • Cold rolled oats (try soaking oats in non-dairy milk overnight)
      • Legumes (when cooled after cooking)
      • Cooled potatoes
      • Cooled white rice
      • Unripe bananas and plantain flour
      • Whole grains
      • Fibrous vegetables like asparagus and broccoli stems
      • Some fruit peels like apples

For more information, check out our blog: What Foods Can Help Increase Your Butyrate Levels?

While many foods contain small amounts of butyrate-producing resistant starch, it’s still quite hard to reach the adequate amount. For this reason, ample supplementation with a butyrate supplement is vital to overall well-being.

Butyrate supplements

In addition to adding butyrate-producing foods, you may also consider butyrate supplementation. Supplementing butyrate is a great way to keep your gut happy and healthy, but as always, quality matters! BodyBio Butyrate is formulated without extra additives or fillers to deliver the beneficial butyrate your gut craves without any junk. Because it’s fermented, butyrate is well known for its smell, but this is a natural byproduct of the fermentation process — don’t worry! This is exactly how it’s supposed to be.

Butyric acid on its own is quite acidic, so we pair it with different minerals to raise the pH and stabilize it for delivery to the gut. We have created Calcium Magnesium, Sodium, and Sodium Potassium Butyrate varieties depending on your needs. Due to widespread calcium and magnesium deficiency, we recommend most people start with our Calcium Magnesium Butyrate. Dozens of folks have reviewed our butyrate saying that it helped ease their digestive problems and get back to a healthy, balanced gut.

Interested in trying butyrate? Learn more here.

Types of Butyrate Supplements

Sticking to a diet with high levels of butyrate can be difficult, so if you’re thinking that supplements are the better option for you, there are three general categories that products fall under. Below we discuss each in more depth, and help you make an informed decision on which is right for you.

Butyrate salts

BodyBio’s butyrates (we have three kinds!) are simply butyrate, a thirteen-atom complex joined to an alkali. Butyric acid, butyrate, and tributyrin are ingredients you may see in this category of supplements. While their names vary slightly, they all have the same purpose with different characteristics.

At BodyBio, the butyrate powder we use is covered with MCT from palm kernel oil. This is how it gets to the colon somewhat intact. If at least a little butyrate didn't get partially digested and enter the bloodstream through the walls of the small intestine, it wouldn't be able to act as an ammonia sequestrant, an HDAC inhibitor, a glucose modulator/appetite suppressant and support normal inflammation levels.*

Glycerol-bound butyrate (tributyrin)

Glycerol-bound butyrate is called tributyrin — 3 butyrates attached to a glycerol. Now, before we explain tributyrin any further, it helps to understand the concept of a prodrug. In this case, “pro” has nothing to do with for or against, but with precursor. 

The term describes compounds that must undergo chemical changes within the body prior to exerting their pharmacological or therapeutic actions. One example is aspirin, which is the prodrug for salicylic acid. Aspirin, you see, is less corrosive to the pathways of the GI system. We may want the benefits of salicylic acid, but in order to get them internally, we take aspirin so that the body can convert it to salicylic acid without having to actually ingest such an acidic substance.

There are times, too, when prodrugs can sneak past pharmaceutical barriers by adjusting the delivery form. This is how tributyrin works as a stable and rapidly-absorbed prodrug of butyric acid, just like sodium butyrate, calcium-magnesium butyrate, or another form of the salt. The active portion of butyrate and tributyrin is butyric acid, which we can get by ingesting either form. 

And yet — If tributyrin is butyric acid joined to a glycerol to make a compound of more than forty atoms, why not use the alkalized butyrate with a compound of fewer than twenty? This compound is much easier for the body to process and extract the benefit we want — the butyric acid.

Liquid butyrate

A final option, liquid butyrate, is typically butyric acid bound to a fat like MCT oil. There are often many additives, flavorings, and sweeteners to hide the notably pungent smell of effective butyrate supplements. If you are going to go with a liquid butyrate supplement, we recommend checking your labels first.

Choosing the Right Butyrate Supplement

We created BodyBio Butyrate supplements in three different types: Calcium Magnesium, Sodium, and Sodium Potassium. For most people, the Calcium Magnesium form will do just fine, but athletes or those who have low sodium levels may benefit more from the Sodium or Sodium Potassium forms. Whichever one you decide to try, you’ll get at least a 1,000 mg dose of butyric acid per two capsules.

You may have read that taking a butyrate supplement won’t increase your butyrate levels because the supplement will not reach the large intestine. Fortunately, for the last 20 years, we have been making butyrate, we have worked with countless physicians across the globe who tell us their patient's butyrate levels have increased with BodyBio Butyrate. If you can’t add high-quality fibers to your current diet, supplementation may be a great option for you!

Learn more with our Butyrate Get Started Guide!

Related Articles

Butyrate and IBS: What Your Gut Cells Actually Need
Ashley Palmer | 04.24.2026

Butyrate and IBS: What Your Gut Cells Actually Need

You've tried the probiotics. You've cleaned up your diet. You're doing everything you're supposed to do, and your gut still isn't cooperating.

If you have IBS, that frustration is familiar. Bloating, urgency, unpredictable mornings, the constant guessing game of what's going to set things off.

What often gets missed in the conversation around IBS isn't a trendy new supplement or a stricter elimination diet. It's something more foundational: what your gut's own cells actually need to function.

Here's a closer look at what butyrate does, why IBS and low butyrate levels are closely linked, and how supporting the gut at the cellular level can make a difference.

Table of Contents:

  • Understanding Butyrate

  • How Butyrate Works in the Gut

  • Why This Becomes an Issue for People With IBS

  • Supporting the Body More Effectively

  • Butyrate, IBS, and the Cellular Health Connection

  • How Butyrate Supports IBS Comfort Long-Term

Understanding Butyrate

Butyrate is a short-chain fatty acid (SCFA) produced in the colon when beneficial gut bacteria ferment dietary fiber, specifically resistant starch. It belongs to a class of compounds called postbiotics, the functional byproducts of a healthy microbiome.

Unlike probiotics, which are living bacteria, butyrate is a metabolite. It's a compound your body puts to work directly at the cellular level. Understanding the difference between probiotics and postbiotics, like butyrate, is a useful shift you can make when thinking about gut health.

Why the Body Relies on Butyrate

Your colon is lined with specialized cells called colonocytes. These cells run almost entirely on butyrate, providing up to 90% of their energy needs.

When colonocytes have what they need, they do their job well. They maintain the integrity of the gut lining, regulate what passes into the bloodstream, support a healthy inflammatory response, and help keep gut motility on track. Without enough butyrate, the gut’s main source of energy, the gut simply can't do its job well.

How Butyrate Works in the Gut

Butyrate supports three interconnected systems in the gut: the gut lining, the immune environment, and gut motility.

The gut lining is just one cell layer thick. Butyrate fuels those cells and supports the tight junctions between them, the structural connections that keep the barrier intact and functioning.

At the immune level, butyrate helps the body maintain a balanced inflammatory response in the colon without triggering overactivation. And because it directly influences the rhythmic contractions that move contents through the digestive tract, it plays a meaningful role in the irregular patterns that so many people with IBS experience.

What Happens When Butyrate Levels Are Supported vs. Strained

When butyrate is available in adequate amounts, the gut lining stays resilient, motility is more regular, and digestive comfort improves, whether you have a diagnosis of IBS or not.

If butyrate levels fall short, the gut barrier may become less stable, motility can become unpredictable, and the colon's immune environment may shift. How pronounced these patterns are varies from person to person. Diet, stress, genetics, and microbiome composition all play a role in your body’s patterns too.

Why This Becomes an Issue for People With IBS

Modern Stressors on Butyrate Production

Butyrate is made by gut bacteria that ferment resistant starch, a type of fiber found in foods like cooked and cooled potatoes, legumes, and underripe bananas. The modern diet is low in these foods. That means many people simply aren't giving their gut bacteria the raw materials they need to produce adequate butyrate levels.

Antibiotic use, chronic stress, and certain medications can also reduce the population of butyrate-producing bacteria in the colon. Over time, that compounds the butyrate production gap.

Why Common Approaches Often Fall Short

Probiotics can be a valuable part of gut health support, but most probiotic strains are not butyrate-producing species. They can shift the microbiome, but they don't directly address the fuel shortage that many IBS-related symptoms may stem from.

Fiber-based approaches come with a similar challenge. In some people with IBS, increasing fermentable fiber can worsen bloating and gas before it helps, because a disrupted microbiome may not efficiently use that fiber to make butyrate.

Since butyrate works at the cellular level, the signs of low butyrate can overlap common IBS symptoms, which is part of why the connection between the two gets overlooked.

Supporting the Body More Effectively

Foundational Support for Butyrate Production

Diet is the first step to improving the body's natural butyrate production. Foods high in resistant starch give butyrate-producing bacteria what they need to function properly.

Foods that naturally support butyrate production include cooked and cooled rice, potatoes, and legumes. A steady intake of resistant starch over time does more for the microbiome than occasional high-fiber days followed by low-fiber ones.

Stress management and adequate sleep can also support a more stable gut environment. Chronic stress directly affects microbiome composition and motility through the gut-brain axis. 

When Targeted Butyrate Support Makes Sense

For people whose microbiome is disrupted or whose diet can't consistently provide enough resistant starch, direct butyrate supplementation is another option for long-term support.*

Supplemental butyrate delivers the short-chain fatty acid directly to the colon, where colonocytes can put it to use.* Clinical research has shown that sodium butyrate supplementation is associated with improvements in abdominal comfort and bowel regularity in people with IBS.

Sodium butyrate and calcium magnesium butyrate are both effective options, and the differences between which works best for your body often come down to your individual health history and mineral needs.*

Butyrate, IBS, and the Cellular Health Connection

IBS is complex, and its causes vary from person to person. But one consistent finding in the research is that people with IBS tend to have lower levels of butyrate-producing bacteria and overall reduced short-chain fatty acids in the gut. That points to a cellular resource problem as much as a microbiome problem.

When the cells lining the colon are undersupported, the entire digestive environment becomes less stable. Gut barrier function, motility, immune signaling, and communication along the gut-brain axis all depend on colonocytes having what they need to function.

Supporting the gut at the cellular level is not a replacement for other gut health practices (whole food probiotics, exercise, etc.). It’s the foundation that makes those practices more effective. When your cells are supported, the body functions more efficiently as a whole.

How Butyrate Supports IBS Comfort Long-Term

IBS can feel like a moving target, and the path toward better digestive comfort is rarely a straight line or a quick fix. Supporting your gut at the cellular level creates a more stable foundation, and that starts with making sure colonocytes have the fuel they need.*

Butyrate works best as part of a consistent approach that includes diet, lifestyle, and targeted support where needed. Progress tends to be gradual, and that's expected. It reflects the time it takes for the gut lining to strengthen and the microbiome to rebalance.

IBS makes a lot more sense when you know what the gut's cells actually need. And that clarity is often where real progress begins.

Support your gut at the cellular level with BodyBio Butyrate.*

How Sugar and Stress Impact Gut Health (and How to Support It During the Holidays)
Ashley Palmer | 11.25.2025

How Sugar and Stress Impact Gut Health (and How to Support It During the Holidays)

Between the office party appetizers, your aunt's famous cookies, and that second or third glass of wine at dinner, your gut is working overtime this holiday season. Add in travel stress, family dynamics, and back-to-back celebrations, and you've got the perfect storm for digestive chaos. Your microbiome gets thrown off balance, bloating kicks in, and suddenly, you're fighting to recover while the next event looms ahead on the calendar.

But you don't have to choose between enjoying the holidays and feeling good. A few simple habits and smart supplement support like butyrate can keep your gut balanced and your energy steady, even when you're indulging more than usual.*

Table of Contents:

  • How Sugar Disrupts Gut Health

  • The Stress-Gut Connection

  • Alcohol's Role in Gut Imbalance

  • Supporting Your Gut During the Holidays

  • Butyrate Q&A: Your Holiday Gut Support Ally

  • Keep Your Gut (and Holidays) Happy

How Sugar Disrupts Gut Health

Sugar is everywhere during the holidays, from dessert spreads to seasonal lattes. And while your taste buds are celebrating, your gut (and metabolism) is dealing with the consequences.

Refined Sugar and the Microbiome

When you're eating more holiday cookies and desserts than usual, certain bacteria in your gut that love simple carbohydrates start to flourish. This temporary shift can show up as stronger cravings, more bloating, or mood changes, which may help explain why you keep going back to the cookie tray.

When this imbalance sticks around, it can affect your gut barrier (the protective lining that keeps your gut contents where they belong). When that barrier gets compromised, bacterial byproducts (waste and toxins produced by bacteria) slip into your bloodstream and trigger inflammation throughout your body. Since at least 70-80% of your immune system lives in your gut, keeping this barrier strong is especially important during the holidays when you're more susceptible to seasonal bugs. 

This systemic inflammation can even show up as breakouts or dull skin, another reminder of how deeply your gut health affects your whole body.

Sugar Spikes and Cellular-Level Stress

Those cookie-fueled blood sugar rollercoasters don't just zap your energy. They create stress at the cellular level. Your mitochondria have to work overtime to manage these ups and downs. The oxidative stress that results from these swings doesn't stay in your gut. It affects your whole body, compounding the stress you're already feeling and making recovery that much harder.

The Stress-Gut Connection

Between travel logistics, family gatherings, and year-end deadlines, the holidays can send your cortisol levels soaring. That stress response directly impacts how your gut functions.

The Gut-Brain Axis in Action

Your gut and brain are in constant conversation through the gut-brain axis. When stress rises (from travel chaos, family dynamics, or that never-ending to-do list), your body pumps out cortisol to help your body handle it. Cortisol slows digestion and weakens your gut barrier, exactly when you need them working their best.

Holiday Stress + Sugar = A Rough Combination

When emotional stress meets dietary stress, the side effects can multiply quickly. This is why bloating, constipation, and relentless sugar cravings often show up together during the busiest weeks of the year. Your gut is working overtime to keep up.

Alcohol's Role in Gut Imbalance

Holiday cocktails and wine (or your beverage of choice) add another layer of stress to an already taxed digestive system, particularly when it comes to gut barrier integrity.

How Alcohol Affects the Gut Barrier

Alcohol increases gut permeability, making that protective barrier more porous, and feeds inflammation in your digestive tract. It also depletes beneficial compounds like butyrate that your gut needs to stay strong.

The Next-Day Domino Effect

Ever notice how after a night with just one or two cocktails, you sleep poorly, crave sugar like crazy, and feel more stressed the next day? Each of these factors puts more strain on your microbiome, creating a cycle that's tough to break when holiday parties stack up week after week.

But that doesn’t mean you have to abstain from the fun altogether to shield your gut from harm. You just need a plan to minimize the side effects. 

Supporting Your Gut During the Holidays

You can protect your gut without skipping the celebrations with just a few, simple, strategic habits that make all the difference.

Lifestyle Swaps

You don't need to overhaul your entire holiday routine. A few small shifts make a real difference:

Hydrate between drinks. No seriously, alternate a tall glass of water after each drink, preferably with added electrolytes. Water + key minerals help your body process both sugar and alcohol more efficiently.

Pair sweets with protein or healthy fats. A handful of nuts with that cookie, or hard cheese with your dessert, slows glucose absorption and prevents wild blood sugar spikes.

Move daily. Even a 15-minute walk after meals helps regulate stress hormones and gets your digestion moving. Get the whole family involved for more quality time together!

Eat butyrate-rich foods. Foods like butter, ghee, and aged cheeses naturally contain some butyrate, while fiber-rich foods like cooked and cooled oats, slightly underripe bananas, and legumes help your gut bacteria produce more of it.

Smart Supplement Support: Butyrate

Butyrate is a postbiotic (a beneficial compound that your good gut bacteria naturally produce) that supports your gut lining, reduces inflammation, and helps keep your microbiome balanced. It's the perfect holiday event partner for your gut.*

During the holidays, butyrate helps you:

  • Skip the bloat with no more uncomfortable gas after meals*

  • Digest rich foods without the heavy, sluggish feeling*

  • Balance blood sugar after dessert (high spikes → gentle hills)*

  • Recover faster between celebrations by strengthening your gut barrier*

Butyrate is flexible. You can take it with or without food, and dose up or down based on your needs (up to six capsules per day). Already taking a probiotic that works for you? Butyrate works alongside it (more on that below).

Butyrate Q&A: Your Holiday Gut Support Ally

Q: Can I take butyrate with or without food?
A: Either way works. Take it however feels best for you. Some people prefer it with meals, others between. The most important thing is to stay consistent for gut protection.

Q: Is butyrate the same as a probiotic?
A: No, it's a postbiotic! Probiotics add beneficial bacteria to your gut. Butyrate is what healthy bacteria produce to keep your gut lining healthy and reduce inflammation.*

Q: Can I take butyrate with probiotics?
A: Absolutely. Probiotics repopulate the good bacteria, while butyrate strengthens the environment they need to thrive. They work well together. If probiotics are giving you some beneficial results but not all, butyrate can help bridge the gap.* 

Keep Your Gut (and Holidays) Happy

Sugar, stress, and alcohol are part of the holiday package, and that's okay (in moderation of course). They don't have to derail how you feel or leave you fighting to bounce back.

Your gut doesn't need perfection; it simply needs nutrition, hydration, movement, and smart support when things get hectic. Butyrate is the perfect holiday event partner to support your gut microbiome and gut lining through every celebration, so you can enjoy the season without total gut and metabolic disruption.

When sugar, stress, and alcohol impact your gut this season, support your microbiome with BodyBio Butyrate.*

The Gut-Brain Axis: How Your Gut Health Shapes Mood, Mind, and More
Ashley Palmer | 08.19.2025

The Gut-Brain Axis: How Your Gut Health Shapes Mood, Mind, and More

If you're struggling with brain fog, poor focus, or mood swings, you might think the problem is in your head. But the real culprit is likely sitting about three feet lower, in your gut. Your digestive system is constantly communicating with your brain through the gut-brain axis, and when that communication breaks down, your mental clarity and mood suffer.

At BodyBio, we've strived to create products that support this connection for over 25 years because it perfectly demonstrates our core philosophy: cellular health is the foundation of every system in your body. When you support the cellular function of both your gut and brain (and the nervous system that connects them), you're optimizing a communication network that determines how you feel every single day.

Table of Contents:

  • What Is the Gut-Brain Axis?

  • How Gut Bacteria Control Your Brain Chemistry

  • Why Cellular Health Determines Gut-Brain Communication

  • Butyrate Benefits for Gut-Brain Health

  • Supporting Your Gut-Brain Highway

  • Why BodyBio Butyrate Addresses the Root Cause

  • Recognizing Gut-Brain Disconnection

  • Your Gut-Brain Connection Determines Your Daily Experience

What Is the Gut-Brain Axis?

The gut-brain axis is a bidirectional (two-way) communication network. When this communication breaks down, you get symptoms like brain fog, mood swings, and cognitive issues. Your digestive system faces constant exposure to environmental toxins and harmful microbes that your brain never encounters directly, so these communication breakdown symptoms typically start there and travel upward.

Your gut contains over 500 million neurons (more than your spinal cord!) and produces about 90% of your body's serotonin (the "happiness hormone"). With all this neural activity, scientists actually call the gut your "second brain," and your gut communicates with the brain in your head through several fascinating pathways.

The most important connection is the vagus nerve, which acts like a major highway between your gut and brain, carrying messages in both directions within milliseconds. When your gut detects problems, the vagus nerve is often the first messenger to alert your brain, which explains why digestive issues so quickly affect mood and cognition.

Your gut also houses about 70% of your immune system, and these immune cells constantly monitor what's happening in your digestive tract. They’re constantly sending inflammatory or anti-inflammatory signals directly to your brain. Meanwhile, the trillions of bacteria in your gut are producing metabolites 24/7 (compounds created during digestion, such as SCFAs) that can cross into your bloodstream and influence your brain chemistry.

Your gut health also determines how well you absorb the vitamins, minerals, and healthy fats your brain needs to function. This is why bioavailable supplements are so important. When gut function is compromised, even a perfect diet may not deliver the nutrients your brain needs.

How Gut Bacteria Control Your Brain Chemistry

Your gut microbiome consists of different bacterial species producing compounds that directly influence your mental state. When this system is working well, you feel mentally sharp and emotionally balanced. When it's disrupted, you may experience signs of poor gut health that affect both digestion and mental function.

Your gut bacteria are manufacturing these brain chemicals:

Neurotransmitter

What It Controls

When It’s Balanced

Warning Signs of Deficiency

Serotonin

Mood, sleep, appetite, gut motility

Happy, calm, sleeping well, good digestion

Anxious, depressed, insomnia, digestive issues

GABA (gamma-aminobutyric acid)

Nervous system calming, anxiety control

Relaxed, focused, stress-resilient

Anxious, overwhelmed, racing thoughts

Dopamine

Motivation, pleasure, reward processing

Motivated, satisfied, energized

Unmotivated, anhedonia, chronic fatigue

Acetylcholine

Memory, attention, learning

Sharp thinking, good focus, clear memory

Brain fog, poor concentration, memory lapses

Modern life constantly disrupts this bacterial balance. Processed foods, antibiotics, chronic stress, artificial sweeteners, and environmental toxins can wipe out beneficial bacteria while allowing harmful species to proliferate.

Recent research from 2023 consistently shows that people with anxiety and depression have distinctly different gut bacteria patterns compared to mentally healthy individuals, specifically, fewer beneficial bacteria and more inflammatory species.

When your gut barrier becomes compromised, inflammatory molecules escape into your bloodstream and can reach your brain. This neuroinflammation interferes with normal neurotransmitter function and has been directly linked to depression, anxiety, brain fog, and cognitive decline.

Why Cellular Health Determines Gut-Brain Communication

The gut-brain connection works at the cellular level. Your gut lining consists of epithelial cells that are absolutely remarkable. These cellular guardians completely regenerate every 3-5 days while maintaining sophisticated tight junctions that control what gets through, allowing beneficial nutrients in while blocking harmful substances.

Cell health determines barrier integrity. When these epithelial cells (the cells that form protective barriers) are healthy and well-nourished, they maintain strong barrier function. When cellular health is compromised, you get increased intestinal permeability (leaky gut), and that's when problems cascade upward, to the brain.

The cellular problem cascade works like this:

  1. Healthy gut cells → Strong barrier function → Optimal nutrient absorption → Good brain function

  2. Compromised gut cells → Leaky gut → Poor nutrient absorption + inflammation → Brain fog, mood issues, cognitive problems

The cellular nutrients that support gut health also support brain cell function (and vice versa). Phospholipids are essential for both intestinal cell membranes and neural cell membranes. Mitochondria (the power house of the cell) in both gut and brain cells require identical nutrients to produce energy efficiently.

This is why our approach focuses on providing fundamental cellular building blocks rather than just targeting isolated symptoms. When you nourish your cells, you nourish every system, including this crucial gut-brain communication network.

Some of the most important nutrients for optimal gut-brain function include:

  • Phospholipids for healthy cell membranes and communication

  • Quality fats for mitochondrial function and hormone production

  • B vitamins for energy production and neurotransmitter synthesis

  • Minerals for enzymatic processes and cellular repair

Butyrate Benefits for Gut-Brain Health

Among all the compounds your gut bacteria produce, butyrate stands out as perhaps the most important for both digestive and neurological health. This short-chain fatty acid serves as premium fuel for colonocytes (gut lining cells), providing up to 70% of their energy needs.*

Butyrate's multifaceted benefits:

For cellular gut health: Butyrate directly fuels the epithelial cells that maintain your intestinal barrier. It strengthens the tight junction proteins that connect cells together, reduces local inflammation, and supports the protective mucus layer that shields your gut lining.*

For brain function: Recent studies from 2024 demonstrate that butyrate can cross the blood-brain barrier and provide direct neuroprotective benefits (brain-protecting benefits). It acts as a histone deacetylase inhibitor (a compound that influences which genes are active), influencing gene expression in ways that support neuroplasticity, stress resilience, and cognitive function.*

For healthy inflammation responses: Butyrate works with your body's natural processes to support balanced inflammation, creating the right environment for optimal gut-brain signaling.*

Modern butyrate deficiency is widespread. Our ancestors consumed much more resistant starch (the specific fiber that feeds butyrate-producing bacteria), but modern diets are heavily processed and fiber-poor. Alongside poor dietary fiber, stress, medications, and environmental toxins are constantly working against beneficial bacteria.

Even when people eat more fiber, it can take months to rebuild the bacteria that produce butyrate. Fortunately, studies suggest that direct butyrate supplementation can provide immediate support for both gut barrier function and neurological health.*

Supporting Your Gut-Brain Highway

The right foods can boost butyrate-producing bacteria naturally. These beneficial species thrive on resistant starches found in cooked and cooled potatoes, rice, and legumes. The cooling process creates starch that becomes more digestible to bacteria. Unripe bananas, certain whole grains, and Jerusalem artichokes also provide resistant starch.

Your stress levels directly impact gut bacteria composition. Chronic stress literally reshapes your microbiome and increases intestinal permeability. Since the vagus nerve carries stress signals directly to your gut, managing stress protects this crucial communication pathway.

Quality sleep matters more than most people realize. Your gut bacteria have their own daily cycles that align with your sleep patterns. Poor sleep disrupts bacterial metabolism and increases intestinal permeability, affecting both ends of the gut-brain axis.

Regular movement supports the entire system. Exercise promotes beneficial bacteria diversity, supports healthy gut motility, and activates the vagus nerve in positive ways. You don't need intense workouts — even consistent walking makes a measurable difference.

Why BodyBio Butyrate Can Support the Gut

Most people can't produce a therapeutic amount of butyrate naturally, even with improved diet and lifestyle. Damaged gut cells can't effectively utilize the butyrate that bacteria do produce, while compromised bacterial populations can't manufacture sufficient amounts in the first place.

BodyBio Butyrate provides direct cellular support by:

  • Delivering butyrate directly to gut epithelial cells for immediate barrier repair*

  • Supporting tight junction integrity that prevents harmful substances from reaching your brain*

  • Promoting a balanced inflammation response throughout the gut-brain axis*

  • Optimizing the cellular environment for improved nutrient absorption and neurotransmitter production*

Recognizing Gut-Brain Disconnection

Since gut problems usually initiate the cascade, recognizing early warning signs can help you address issues before they significantly impact brain function.

Digestive symptoms often appear first: bloating, gas, irregular bowel movements, food sensitivities, or that heavy feeling after eating. These early signs can indicate developing digestive gastrointestinal diseases that affect gut-brain communication.

More advanced gut-brain disruption shows up as persistent brain fog, memory issues, chronic anxiety or depression, autoimmune symptoms, or frequent illness. Problems with nutrient absorption can cause fatigue despite a good diet, slow wound healing, brittle nails, thinning hair, or persistent nutritional deficiencies despite supplementation.

If you're experiencing several of these symptoms, your gut-brain axis may need cellular level support to restore optimal communication.

Your Gut-Brain Connection Determines Your Daily Life

Your gut-brain connection affects how you feel every day. When your microbiome composition and your gut lining break down, communication with your brain gets disrupted, leading to brain fog, mood issues, and cognitive problems.

Supporting this system at the cellular level makes the biggest difference. While dietary and lifestyle changes help, many people benefit from targeted gut health supplements to optimize their second brain.*

Your gut really is your second brain. When you take care of both systems at the cellular level, you're setting yourself up for clearer thinking, better mood stability, and improved overall health.

Support your gut-brain axis with BodyBio Butyrate →*