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What Can Cause Leaky Gut? Understanding the Factors Behind Intestinal Permeability

Bala Health
July 24, 2025

Table of Contents

  1. Introduction
  2. Understanding Leaky Gut
  3. What Can Cause Leaky Gut?
  4. Supporting Your Gut Health
  5. Conclusion

Introduction

Did you know that over 70 million Americans suffer from digestive disorders? While many of us attribute our stomach woes to what we’ve eaten, the root cause often runs deeper—sometimes to a condition known as leaky gut. This term refers to increased intestinal permeability, a phenomenon where the gut lining becomes damaged, allowing toxins and undigested food particles to enter the bloodstream. It raises an important question: what can cause leaky gut, and how can we protect our gut health?

As our understanding of gut health evolves, so does the awareness of its profound impact on overall wellness. With the rise in chronic illnesses and gastrointestinal issues, many people are looking for answers. Are you tired of the confusion and skepticism in the probiotic aisle? Struggling to find a solution for bloating that you can actually trust? In this blog post, we will explore the causes of leaky gut, its implications on health, and how we can support our gut integrity through diet and lifestyle changes.

At Bala Health, we believe in a science-first approach to wellness. Our commitment to transparency and simplicity guides us in providing clean, functional, and science-backed probiotics aimed at helping you feel better from the inside out. We’ll also discuss how incorporating our clinically-backed probiotic can support your gut health journey.

By the end of this post, you’ll have a comprehensive understanding of the factors that contribute to leaky gut and actionable strategies to support your gut health. Let’s dive in!

Understanding Leaky Gut

What Is Leaky Gut?

Leaky gut, also known as increased intestinal permeability, occurs when the tight junctions of the intestinal lining become compromised. These junctions act like a barrier, preventing harmful substances from passing through the gut lining into the bloodstream. When they are damaged, larger molecules, toxins, and bacteria can escape into the bloodstream, potentially triggering inflammation and various health issues.

The Importance of Gut Integrity

The gut lining serves as a critical barrier that regulates the absorption of nutrients while keeping harmful substances out. A healthy gut not only aids in digestion but also plays a significant role in immune function and even mental health. When the gut barrier is compromised, it can lead to a cascade of symptoms that might seem unrelated but are, in fact, interconnected.

Symptoms of Leaky Gut

Individuals with leaky gut may experience a range of symptoms, which can include:

  • Bloating and gas
  • Diarrhea or constipation
  • Food sensitivities or allergies
  • Fatigue
  • Skin issues like acne or eczema
  • Joint pain
  • Mood disorders, such as anxiety or depression

These symptoms often overlap with various health conditions, making it challenging to pinpoint leaky gut as the root cause.

What Can Cause Leaky Gut?

Understanding the causes of leaky gut is essential for prevention and management. Here are some of the most common factors that can contribute to increased intestinal permeability:

1. Poor Diet

A diet high in processed foods, sugars, and unhealthy fats can disrupt the balance of the gut microbiome and lead to inflammation. Some specific dietary culprits include:

  • Refined sugars: High sugar intake can promote the growth of harmful bacteria and yeast in the gut.
  • Gluten and certain grains: For individuals with gluten sensitivities or celiac disease, consuming gluten can damage the intestinal lining.
  • Processed foods: These often contain additives and preservatives that can irritate the gut lining.

Switching to a healthier diet, such as the Mediterranean diet, rich in whole foods, fruits, vegetables, and healthy fats, can significantly support gut health.

2. Chronic Stress

Stress has profound effects on our overall health, including gut health. Chronic stress can increase inflammation and disrupt gut motility, leading to symptoms of leaky gut. Techniques such as mindfulness, meditation, and regular physical activity can help manage stress levels and support gut health.

3. Antibiotics and Medications

While antibiotics are necessary for treating bacterial infections, their overuse can lead to dysbiosis—a disruption in the gut microbiome balance. This can increase intestinal permeability. Additionally, long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs) may also contribute to gut lining damage.

4. Environmental Toxins

Exposure to various environmental toxins, including pesticides and heavy metals, can compromise gut integrity. These toxins can create inflammation in the gut and contribute to leaky gut syndrome.

5. Chronic Infections

Certain infections, particularly those caused by pathogenic bacteria, parasites, or viruses, can damage the gut lining. Conditions such as small intestinal bacterial overgrowth (SIBO) can also lead to increased intestinal permeability.

6. Autoimmune Conditions

Autoimmune diseases, such as Crohn’s disease and celiac disease, are often associated with leaky gut. In these cases, the immune system mistakenly attacks the gut lining, leading to increased permeability and inflammation.

Supporting Your Gut Health

Understanding what can cause leaky gut is only half the battle. The other half is knowing how to support your gut health effectively. Here are some strategies we can implement to promote a healthier gut:

1. Adopt a Gut-Friendly Diet

Eating a balanced, nutrient-dense diet can significantly improve gut health. Focus on incorporating:

  • Fruits and vegetables: These are rich in fiber, vitamins, and minerals that support gut health.
  • Fermented foods: Foods like yogurt, kefir, sauerkraut, and kimchi are rich in probiotics, which can help restore balance to the gut microbiome.
  • Prebiotics: Foods rich in fiber, such as bananas, onions, garlic, and asparagus, nourish beneficial gut bacteria.

2. Reduce Stress

Prioritizing mental health through stress management techniques such as yoga, mindfulness, and adequate sleep can help maintain gut integrity. Engaging in regular physical activity can also contribute to lowering stress levels.

3. Limit Alcohol and Avoid NSAIDs

Reducing alcohol intake and avoiding unnecessary medications, particularly NSAIDs, can help protect the gut lining. If you need to take medication, discuss alternatives with your healthcare provider.

4. Consider Probiotics

At Bala Health, we offer a clinically-backed probiotic designed to support gut health. Our probiotic contains scientifically validated strains that can help ease occasional bloating and support digestive health. Feel better from the inside out – Subscribe & Save.

5. Stay Hydrated

Drinking plenty of water is essential for maintaining a healthy digestive system and supporting overall gut function. Aim for adequate hydration throughout the day.

6. Monitor Food Sensitivities

Keeping a food diary can help identify trigger foods that may contribute to gastrointestinal distress. If you suspect you have food sensitivities, consider working with a healthcare professional to develop an elimination diet.

7. Get Regular Check-Ups

Regular visits to a healthcare provider can help monitor gut health and catch any potential issues early. If you’re experiencing ongoing digestive symptoms, it may be beneficial to speak with a gastroenterologist.

8. Take Our Weight-Loss Quiz

Understanding your unique gut health needs can provide valuable insights into your wellness journey. Take our 3-minute Weight-Loss Quiz to discover personalized recommendations for better gut health.

Conclusion

Leaky gut syndrome is a complex condition that can arise from various factors, including poor diet, chronic stress, and environmental toxins. By understanding what can cause leaky gut and implementing proactive strategies, we can support our gut health and overall well-being.

At Bala Health, we are dedicated to empowering you with clean, science-backed probiotics designed to nurture your gut. Our commitment to transparency ensures that you can trust what you’re putting into your body. Start your journey to better gut health with us—Shop our clinically-backed probiotic now.

FAQ

1. Is leaky gut a recognized medical condition?
While leaky gut is not currently recognized as a formal medical diagnosis, increased intestinal permeability is acknowledged in the context of various gastrointestinal diseases.

2. Can leaky gut lead to other health issues?
Research suggests that leaky gut may be associated with various health conditions, including autoimmune diseases, allergies, and metabolic disorders.

3. How can I test for leaky gut?
There are no standard tests for leaky gut, but healthcare providers may use specific tests to assess intestinal permeability and related health issues.

4. Do probiotics help with leaky gut?
Probiotics may help restore balance to the gut microbiome, potentially supporting gut health. At Bala Health, our probiotics are designed to help ease occasional bloating and support digestive health.

5. What are some dietary changes I can make to support gut health?
Focus on incorporating whole, nutrient-dense foods, such as fruits, vegetables, whole grains, and fermented foods, while reducing processed foods and sugars.

By making informed dietary choices and addressing lifestyle factors, we can take significant steps toward better gut health and overall wellness.

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