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The 5 Reasons for Stomach Pain on the Ketogenic Diet

author avatar Dr. Eric Berg 10/03/2024

Starting a new diet can come with unexpected changes, and for those adopting the ketogenic diet, digestive discomfort can be a common concern. Keto stomach pain can range from mild indigestion to more intense cramping or bloating.

But there's no need to worry. You can address this hurdle and continue your keto journey with success.

This guide explores common causes of keto stomach pain and offers practical solutions to find relief. We will explore why you might be experiencing these digestive issues and equip you with the knowledge to navigate them effectively.

Why Am I Experiencing Keto Stomach Pain?

Keto stomach pain can stem from several factors. The good news is these are typically easy to address with simple adjustments.

As your body adapts to burning fat as its primary energy source instead of glucose from carbs, you may experience keto stomach pain. Let's delve into the common culprits.

Sugar Alcohols: A Common Culprit

The ketogenic diet significantly reduces carbohydrate intake, including sugar. Many people turn to keto-friendly sweeteners like sugar alcohols as an alternative.

While these low-glycemic sweeteners can be helpful, they can cause digestive issues for some, especially when consumed in large amounts.

Sugar alcohols are not fully absorbed by the gut, which can lead to gas, bloating, and even diarrhea in some individuals. This is often referred to as the laxative effect. It's important to note that sensitivity to sugar alcohols varies from person to person.

If you are experiencing stomach pain on keto and frequently consuming foods containing erythritol, xylitol, mannitol, or maltitol, consider reducing your intake.

Too Much Fiber: Slow and Steady Wins the Race

Fiber is an essential part of a healthy diet. A high-fiber diet, rich in vegetables, is a cornerstone of the ketogenic diet. But a sudden, drastic increase in fiber intake can take your gut by surprise.

Your gut microbiome, home to trillions of bacteria, thrives on fiber. When you suddenly increase your fiber intake, it can take time for your gut bacteria to adapt to this change. This can lead to digestive discomforts like gas, bloating, and stomach pain.

Increase your fiber intake gradually to allow your digestive system time to adjust. Start with a moderate increase in vegetables, gradually working up to the recommended daily amount for your dietary needs.

Fluid Intake: Stay Hydrated

The ketogenic diet can cause increased water loss. When starting a low-carb diet, your body produces less insulin, a hormone that helps your body retain water.

This can lead to dehydration if you are not staying hydrated, especially during the initial stages of the keto diet when your body is still adapting.

Coupled with increased fiber intake on keto, which can also absorb more water in the digestive tract, this can quickly lead to dehydration if not addressed properly. Dehydration can manifest as keto stomach pain, often mistaken for hunger pangs.

Staying properly hydrated is essential on a ketogenic diet, especially if you are experiencing stomach discomfort. Aim for at least half of your body weight in ounces of water each day.

The Gallbladder Connection: Fat and Bile Production

Your gallbladder is a small organ that plays a crucial role in fat digestion. When you consume fat, your gallbladder releases bile into your small intestine to help break it down.

Your gallbladder may need time to adapt as your body transitions from using glucose as its main fuel source to burning fat for energy.

Keto stomach pain may result from the gallbladder struggling to produce enough bile to process the increased fat intake on a keto diet. If you've had your gallbladder removed, this could also play a role in your digestion.

It's crucial to listen to your body. If you're experiencing keto stomach pain, especially after consuming high-fat foods or MCT oil, consider adjusting your fat intake and gradually increase it as your body adjusts.

High Protein Intake: Finding Your Balance

While moderate protein consumption is encouraged on keto, excessive protein intake might be why you're experiencing keto stomach pain.

This can lead to digestive issues for some individuals, especially if enough stomach acid is unavailable to break down the increased protein.

To find relief, ensure you're consuming adequate amounts of healthy fats alongside your protein. This can help slow down digestion and give your stomach ample time to break down the protein efficiently.

You can also incorporate apple cider vinegar into your diet to stimulate stomach acid production and improve digestion.

Women with digestive issues

Tips for Alleviating Keto Stomach Pain

Addressing keto stomach pain might involve a bit of trial and error to find what works best for you. Let’s uncover simple ways to address those unwanted stomach cramps, bloating, and discomfort.

Adjust Sugar Alcohol Consumption

While sugar alcohols can be a great alternative to sugar, listen to your body and make adjustments if you experience any discomfort. This could involve reducing the amount or choosing products that utilize alternative low-carb sweeteners.

Remember, everyone's tolerance is different, so it's crucial to pay attention to your body's signals and adjust accordingly. Start by keeping a food diary to identify potential triggers and find the right balance for your digestive comfort.

Increase Fiber Intake Slowly

Don't go from zero to one hundred overnight. If you find you are experiencing an increase in gas or bloating, cut back on cruciferous vegetables and high-fiber foods.

Consider incorporating a probiotic to support a healthy gut microbiome and help things run smoothly.

Probiotics can introduce beneficial bacteria into your gut, aiding in the breakdown of fiber and reducing the likelihood of digestive upset. Additionally, managing your stress levels can significantly impact your gut health.

Explore relaxation techniques like deep breathing exercises or meditation to keep your stress in check and promote a happy gut.

Stay Hydrated

Proper hydration is a key cornerstone of overall health and even more so on the keto diet. Water, herbal tea, and bone broth are great options to keep you well-hydrated throughout the day.

Carry a reusable water bottle with you and sip on it regularly. You can also opt for electrolyte-rich beverages, such as sugar-free electrolyte drinks or homemade bone broth, to replenish electrolytes that may be depleted due to the diuretic effect of the keto diet.

Support Your Gallbladder

To help support your gallbladder, incorporate foods naturally rich in bile salts or take bile salts as a supplement. Pay close attention to how your body responds to high-fat foods, and consider discussing this further with your healthcare provider.

Incorporate bitter greens, such as dandelion greens and arugula, into your diet, which can stimulate bile production. Additionally, consuming healthy fats, such as avocado, olive oil, and fatty fish, can support your gallbladder's function and promote optimal digestion.

Remember to introduce these gradually to avoid overwhelming your system.

Mindful Protein Consumption

Finding your "Goldilocks" protein intake (not too much, not too little - but just right) can make a world of difference.

It's important to consult a healthcare professional or a registered dietician specializing in the keto diet if you suspect a lack of stomach acid to get personalized guidance.

They can assess your individual needs and provide tailored recommendations. Adequate sleep is also crucial for overall health and can positively impact your digestion.

When you're sleep-deprived, your body produces more of the stress hormone cortisol, which can disrupt your gut health and exacerbate keto stomach pain.

Man experiencing abdominal pain

Decoding Discomfort

Explores the various factors that can contribute to gastrointestinal issues, particularly for those on a ketogenic diet.

While many individuals embrace keto for its potential weight loss and health benefits, some may experience unexpected side effects, including pain under the left rib cage.

This discomfort can stem from several causes, such as dietary adjustments, increased fat intake, or even stress. Understanding these triggers is crucial for finding effective relief.

For instance, excessive consumption of high-fat foods can lead to digestive disturbances, while inadequate fiber intake may result in constipation.

Additionally, certain foods might not sit well with every individual, leading to bloating and discomfort. It’s essential to listen to your body and identify any patterns related to the foods consumed.

Implementing strategies such as portion control, staying hydrated, and incorporating digestive aids can help alleviate symptoms.

By decoding the sources of digestive distress, individuals can make informed dietary choices and take proactive steps toward better gut health, ultimately reducing the discomfort associated with keto and promoting a more enjoyable experience on their health journey.

Conclusion

Navigating the ketogenic diet doesn’t have to mean navigating keto stomach pain. With some thoughtful adjustments to your diet and a little self-care, you can overcome this common hurdle and experience all the fantastic benefits of the Keto lifestyle.

By understanding the potential causes and implementing these practical tips, you can minimize discomfort and enjoy a more comfortable keto journey.



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