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Best Probiotics for ‘Leaky Gut’: Support Gut Health in 2024

Although not an official medical diagnosis, many people use the term ‘leaky gut’ syndrome to refer to a cohort of potential symptoms. In general, the keyword is usually used to describe increased permeability of the gut, which may let larger particles, bacteria, or toxins get into the bloodstream, causing discomfort and immune reactions.

While people may be convinced that they have a ‘leaky gut,’ this is not necessarily true, and it is important to consult your doctor if you are experiencing gut issues.

Probiotics are not a treatment for any medical condition; however, they may support gut health, gut barrier function, and overall digestion. We have carefully reviewed the market and picked our top probiotics to help with ‘leaky gut.’ Read on to learn more about each product and the science behind probiotics for various symptoms associated with ‘leaky gut.’

Best probiotic for 'leaky gut': a shortlist

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How we compiled our list of the best probiotics for 'leaky gut'

In order to compile our list, together with the Research team, we have carefully reviewed each product and paid close attention to the following factors:

Additional ingredients Quality certificationsUser reviews and brand reputationPriceStrains and CFU
Any additional active ingredients in the formulaThird-party testing and manufacturing standardsCustomer feedback about the product and the brandPrice per container and per servingProbiotic strains and CFU count
  • Additional ingredients. We checked whether the formulation includes any additional active ingredients, such as digestive enzymes, that could be potentially beneficial for gut health.
  • Quality certifications. We looked for third-party testing to ensure label accuracy. An accessible certificate of analysis was also appreciated. We also checked manufacturing practices certifications.
  • User reviews and brand reputation. We checked various sites to get a full picture of the customer experience with the product and the brand.
  • Price. We aimed to include products for various budgets and calculated prices per serving for easier comparison.
  • Strains and CFU. We checked what probiotic strains were included in the formula. We also paid attention to colony-forming units (CFUs) that reflect the amount of bacteria per serving.

Best probiotic for gut barrier support: product reviews

Below, you will find a detailed description of each product. We look at the target audience, key features and ingredients, and customer feedback and provide a final verdict. However, please keep in mind that the information and feedback available online regarding the effectiveness or side effects of the product is not our personal opinion.

1. Ritual — best overall probiotic for ‘leaky gut’

Ritual Synbiotic+

Amazon rating — 4.0 ⭐⭐⭐⭐

Trustpilot rating — 1.4 ⭐

Rating on the company’s website — 4.8 ⭐⭐⭐⭐⭐

According to the brand, Synbiotic+ by Ritual is formulated to go beyond regular probiotics. The 3-in-1 formula contains probiotics, prebiotics, and postbiotics to provide well-rounded gut health support and possibly support gut barrier integrity as well. Each single capsule serving packs 11 billion CFUs.

Every batch is third-party tested to ensure adherence to the label and quality, with the certificate of analysis available on the website. Ritual is also transparent about its sourcing. Synbiotic+ does not require refrigeration, is vegan, and is free of gluten, artificial colorants, and major allergens.

Main ingredients

  • PreforPro® prebiotics
  • Lactobacillus rhamnosus GG (LGG®)
  • Bifidobacterium lactis (BB-12®)
  • Corbiome® Tributyrin postbiotics

Who might benefit the most from Synbiotic+?

People who want to support their gut health, digestion, and gut barrier and potentially reduce occasional bloating or gut discomfort may want to opt for this product. Also, those who want a comprehensive formula that combines probiotics, prebiotics, and postbiotics may favor Synbiotic+.

Key features of Synbiotic+

  • 3-in-1 formula: prebiotics, probiotics, and postbiotics
  • 11 billion CFUs
  • Delayed release capsule technology
  • Mint flavored
  • Vegan
  • Major allergen free
  • Free shipping
  • Third-party tested for label accuracy

What users like about the product

  • Effectiveness. Many users praise the product for improving their digestion and reducing gut discomfort, bloating, and stomach upset within the first few weeks of use.
  • Mint flavor. Several customers appreciate the capsules' mild yet pleasant mint aftertaste, which leaves them feeling refreshed.
  • Transparency. Most of the buyers appreciate the brand transparency regarding ingredient sourcing and third-party testing, saying it was one of the major selling points.

What users don't like about the product

  • Adaptation periods. Some users experienced some stomach upset and bloating during the first few weeks of use as their bodies adapted to the product.
  • Price. A couple of customers found the price a bit high, especially as a subscription.
  • Subscription model. A few potential buyers disliked the subscription model.

Company review

We have an in-depth review of Ritual on our site. The company has established itself in the health and wellness supplement field through high quality and transparency.

Brief summary about Synbiotic+

Ritual’s Synbiotic+ has a well-rounded formula that combines prebiotics, probiotics, and postbiotics, with 11 billion CFUs per serving. We appreciated the high quality, third-party testing, and transparency regarding ingredient sourcing.

The product is sold on a subscription basis with a one-month supply costing $54 ($1.80 per serving).

2. Seed — best probiotic with the most strains

Seed DS-01® Daily Synbiotic

Amazon rating — 4.0 ⭐⭐⭐⭐

Trustpilot rating — 2.2 ⭐⭐

Rating on the company’s website — 4.7 ⭐⭐⭐⭐⭐

DS-01® Daily Synbiotic by Seed contains a variety of probiotic strains aimed at supporting gut and overall health. The formula contains 24 different strains and packs 53.6 billion active fluorescent units (AFUs) per serving. AFUs, similarly to CFUs, count viable microbes; however, AFUs use fluorescence-based technology and include strains that may not form colonies, unlike CFU measurement.

The formula also contains prebiotic fibers to support the beneficial bacteria. The ViaCap® delivery technology, a nested capsule design, increases survival.

The product is vegan and free from major allergens. Third-party testing ensures label accuracy.

Main ingredients

  • Digestive Health / Gut Immunity / Gut Barrier Integrity Probiotic Blend (16 species from Bifidobacterium, Lactiplantibacillus, Lacticaseibacillus, Lactobacillus, and Limosilactobacillus genera)
  • Dermatological Health Probiotic Blend (4 species from Bifidobacterium, Ligilactobacillus, and Lacticaseibacillus genera)
  • Cardiovascular Health Probiotic Blend (2 species from Bifidobacterium and Lactiplantibacillus genera)
  • Micronutrient Synthesis Probiotic Blend (2 species from Bifidobacterium and Limosilactobacillus genera)
  • Microbiota-accessible polyphenolic precursors from pomegranate

Who might benefit the most from DS-01® Daily Synbiotic?

People who want to address various gut and overall health issues with probiotics may appreciate the strain variety. Also, those who feel that their gut lining is compromised may want to try this product as it includes strains that are supposed to support gut lining.

Key features of DS-01® Daily Synbiotic

  • 24 probiotic strains
  • 53.6 billion CFUs
  • Does not need to be refrigerated
  • ViaCap® delivery technology
  • Major allergen free
  • Vegan
  • Third-party tested for label accuracy

What users like about the product

  • Probiotic strain variety. Many users appreciate the vast probiotic strain variety, which is broader than most competitors offer.
  • Digestion support. Several customers report seeing improvements in their overall digestion and reduced bloating when using the product.
  • Quality. The majority of buyers appreciate the third-party testing and transparency.

What users don't like about the product

  • Expensive. Several buyers find the price on the higher side, especially for regular use.
  • Ineffective. A few customers did not experience any health improvements, even with regular use of the product.
  • Customer service. A handful of users who needed customer support found it unhelpful or unresponsive.

Company review

We have previously reviewed Seed thoroughly. The company focuses on creating high-quality probiotic supplements that deliver potential health benefits to the whole body.

Brief summary about DS-01® Daily Synbiotic

We appreciate the variety of bacterial strains included in the formula, which may be able to address various aspects of gut and overall health. We also liked the ViaCap® delivery technology, which protects the beneficial bacteria from the harsh stomach environment, and the third-party testing for label accuracy. Overall, we think this product may be a viable option for gut and gut lining support and may contribute to relieving indigestion.

A 30-day supply costs $49.99 ($1.67 per serving).

3. Bioma — best probiotic to support gut lining

Bioma Health probiotics

Amazon rating — 3.6 ⭐⭐⭐⭐

Trustpilot rating — 3.7 ⭐⭐⭐⭐

Bioma Synbiotic Probiotic formula blends prebiotics, probiotics, and postbiotics. The product is marketed for gut balance support and relief from occasional digestive discomfort, bloating, and excessive gas.

Each serving packs 9 billion CFUs of three Bifidobacterium genus strains. The formula also contains tributyrin, triglyceride (a type of fat) that may help relieve gut disbalance, as shown in some animal model studies, and xylooligosaccharides, a type of prebiotic that may support the growth of the beneficial bacteria.

The formula is packed into delayed-release capsules, which protect it from the harsh stomach environment and eliminate the need for refrigeration.

Main ingredients

  • Bifidobacterium lactis
  • Bifidobacterium longum
  • Bifidobacterium breve
  • Tributyrin
  • Xylooligosaccharides

Who might benefit the most from Synbiotic Probiotic?

People who are after supporting their gut health and their gut lining may want to opt for this product.

Key features of Synbiotic Probiotic

  • 9 billion CFUs
  • Combines probiotics, prebiotics, and postbiotics
  • Vegan
  • Keto-friendly
  • Gluten-free
  • Non-GMO
  • Delayed-release capsule technology

What users like about the product

  • Quality. The majority of buyers praise the product’s quality.
  • Improved digestion. Many users reported seeing improvements in their digestion and reduced bloating with regular use.
  • Easy to swallow. A couple of customers highlighted how easy to swallow the capsules were.

What users don't like about the product

  • Packaging. Several buyers reported receiving the product with a damaged cap.
  • No effects. There were some customers who did not see any improvements when regularly taking the product.
  • Adaptation period. A fair amount of customers reported initial stomach upset and discomfort after introducing the product.

Company review

You can find a detailed Bioma review on our website. The company aims to produce well-rounded supplements aimed at supporting gut health and digestion.

Brief summary about Synbiotic Probiotic

We have included this product due to its well-rounded formula, which combines 9 billion CFUs of three Bifidobacterium genus strains with prebiotics and postbiotics, offering gut health support in easy-to-swallow capsules, according to customer reviews. However, we wish to see third-party testing certificates.

30 servings cost $55.99 ($1.87 per serving).

4. Unbloat — best probiotics for bloating

Unbloat Daily Capsules

Amazon rating — 3.7 ⭐⭐⭐⭐

Rating on the company’s website — 4.7 ⭐⭐⭐⭐ ⭐

According to the brand, Unbloat is specifically formulated to reduce bloating and indigestion. The formula contains seven probiotic strains, with 25 billion CFUs in each serving. It also contains digestive enzymes, prebiotic fibers, folic acid, magnesium, and an herbal blend of ingredients that may potentially ease stomach upset.

The product is non-GMO and gluten-free and is manufactured in cGMP and FDA-registered facilities and certified with ISO and FSSC 22000.

The manufacturer recommends using two capsules daily, ideally 30 minutes before or after a large meal.

Main ingredients

  • Lactobacillus casei
  • Lactobacillus plantarum
  • Lactobacillus acidophilus
  • Lactobacillus rhamnosus
  • Bifidobacterium lactis
  • Bifidobacterium longum
  • Bifidobacterium bifidum
  • Folate
  • Magnesium
  • Prebiotic fiber
  • Enzyme blend to break down food
  • Micronutrients for bowel support
  • Bloat-fighting herbal blend

Who might benefit the most from Unbloat?

People who want to support their digestion and reduce occasional bloating may want to consider this product, as the formula contains probiotics, essential minerals, and an herbal blend aimed at relieving indigestion.

Key features of Unbloat

  • 25 billion CFUs
  • 7 probiotic strains
  • Contains digestive enzymes
  • Contains an herbal blend that may reduce bloating
  • Contains 4 essential nutrients
  • Developed in cGMP and FDA-registered facilities and certified with ISO and FSSC 22000
  • 30-day money-back guarantee
  • Vegetarian
  • Non-GMO
  • Gluten-free

What users like about the product

  • Reduced bloating. Many users praise the product for effectively reducing bloating and gassiness.
  • Reduced indigestion. Many customers also report experiencing relief from stomach discomfort and indigestion when using this product.
  • Price. Many buyers felt that the product was good value for money.

What users don't like about the product

  • Side effects. Some users experienced gastrointestinal side effects and stomach upset when using the product.
  • Ineffective. A couple of users did not experience any noteworthy benefits when using the product.
  • Delivery. A few customers had issues with receiving or returning the product.

Company review

We already have an in-depth review of Unbloat. The company's primary focus is producing high-quality supplements that relieve indigestion and support gut health.

Brief summary about Unbloat

Unbloat features 25 billion CFUs of seven different beneficial bacteria strains. To relieve indigestion and stomach discomfort, the formula also contains digestive enzymes and an herbal blend. We liked the targeted formula; however, we would like to see third-party testing for label accuracy. However, please be aware this supplement contains folate with doses higher than the Recommended Daily Value (RDV).

30 servings cost $47.99 ($1.60 per serving).

5. YourBiology — best probiotic with vitamin D3

yourbiology-probiotics-commm

Trustpilot rating — 3.3 ⭐ ⭐⭐

YourBiology Gut+ stands out for combining 10 different probiotic strains and 20 billion CFUs together with prebiotic fibers, vitamin D3, and digestive enzymes. Everything is packed into a MAKtrek® marine polysaccharide complex that protects the beneficial bacteria from harsh stomach acid.

The formula is aimed at supporting gut health, digestion, and the immune system.

The capsules are vegan, soy, dairy, and gluten-free.

Main ingredients

  • Lactobacillus acidophilus
  • Lactobacillus plantarum
  • Lactobacillus paracasei
  • Lactobacillus fermentum
  • Lactobacillus rhamnosus
  • Saccharomyces boulardii
  • Lactobacillus casei
  • Bifidobacterium breve
  • Bifidobacterium bifidum
  • Bifidobacterium longum
  • Amylase, lipase, and protease
  • Prebiotic blend
  • Vitamin D3

Who might benefit the most from Gut+?

People who are looking to support their gut health as well as their immune system may want to opt for this product.

Key features of Gut+

  • 10 probiotic strains
  • 20 billion CFUs
  • 2 prebiotic fibers
  • 3 digestive enzymes
  • Vitamin D3
  • Does not need to be refrigerated
  • 60-day money-back guarantee
  • Non-GMO
  • Soy-, dairy-, and gluten-free
  • Vegan

What users like about the product

  • Effectiveness. Many users report seeing improvements in digestion and regular bowel movements when using the product.
  • No side effects. Several customers liked that they did not experience any discomfort after initially introducing the product, a side effect common with some probiotics.
  • Immunity support. A few buyers mentioned getting less frequent stomach flu when using the product.

What users don't like about the product

  • Price. Some users felt that the product was a bit expensive, especially for regular use.
  • Delayed results. Several customers mentioned needing to take the product for several months to start seeing the benefits.
  • Online only. A few buyers wished the product was available at their local stores.

Company review

You can read an in-depth review of YourBiology Gut+ on our website. The company is part of Wolfson Brands Ltd and is focused on health, fitness, and wellness supplements.

Brief summary about Gut+

Gut+ by YourBiology formula contains 10 different strains and 20 billion CFUs in a single serving. It also contains probiotics, digestive enzymes, and vitamin D3, resulting in a well-rounded supplement. However, we would like to see third-party testing for label accuracy.

30 servings cost $64.99 ($2.17 per serving).

Comparing the best probiotics for 'leaky gut'

BrandCFU countServing sizePrice per servingBest for
Ritual11 billion1 capsule$1.80Overall best
Seed53.6 billion (AFUs)1 capsule$1.67Biggest strain variety
Bioma9 billion 2 capsules$1.87For supporting gut lining
Unbloat25 billion2 capsules$1.60For bloating and indigestion
YourBiology20 billion3 capsules$2.17For immune support

Why we chose these probiotics for ‘leaky gut’ syndrome

The nominations are based on the opinion of our team at Healtnews. We picked Synbiotic+ by Ritual as the overall best probiotic for ‘leaky gut’ syndrome due to its 3-in-1 formula, third-party testing for label accuracy, and brand transparency.

We had to include Seed DS-01® Daily Synbiotic due to its variety of strains. The 24 different strains are more than you will find in most supplements, and so the product may be able to address various aspects of ‘leaky gut,’ such as bloating, gas, and abdominal pain, as well as provide whole-body benefits.

Bioma Synbiotic Probiotic has a moderate strain variety and contains tributyrin, a type of fat that may help relieve gut disbalance and support gut lining integrity, which is crucial for gut health.

As the name suggests, Unbloat is aimed at reducing bloating and indigestion. We liked that the formula combines probiotics with digestive enzymes and herbal ingredients associated with gut-calming properties.

Lastly, we have YouBiology Gut+, a comprehensive blend of probiotic bacteria and prebiotic fiber with vitamin D3. ‘Leaky gut’ may increase the chance of infection, as toxins may pass into the bloodstream, and supplementing with vitamin D3 may help support the immune system.

What is 'leaky gut' syndrome?

‘Leaky gut’ is not a recognized medical condition. However, it is often used as a term to describe increased permeability of the gut due to a compromised gut lining, which results in large food particles, microbes, or toxins leaking through the intestinal wall and entering the bloodstream. These then can get flagged by the immune system and cause an inflammatory response, which may lead to health issues if the inflammation becomes chronic.

Disclaimer
The idea of ‘leaky gut’ is heavily based on advice from people outside the medical field who are unqualified to diagnose conditions or give medical advice. If you are experiencing prominent and persistent gut issues, please consult your healthcare professional, as it may be caused by underlying conditions.

The precise causes of ‘leaky gut’ are unknown. There are several factors that may contribute to compromised gut lining:

  • Diet. A diet rich in highly processed foods, simple carbohydrates and sugars, and/or alcohol, combined with low fiber intake and lack of essential nutrients, can promote dysbiosis and support the growth of harmful bacteria. It may even lead to increased inflammation.
  • Microbiome dysbiosis. A disbalance, or dysbiosis, of the gut microbiome can result in pathogenic bacteria overgrowth, which can, in turn, negatively alter intestinal permeability.
  • Medications. Certain medications, such as NSAIDs, metformins, statins, and antibiotics, can promote gut dysbiosis and negatively affect gut permeability over time.
  • Chronic inflammation. Untreated conditions that can cause chronic inflammation in the gut, such as IBD and IBS, can contribute to increased intestinal permeability.

The absence of reliable tools for diagnosing and quantifying ‘leaky gut’ syndrome limits accurate research; thus, the causes of ‘leaky gut’ are not clear.

The long-term health impacts of a ‘leaky gut’ are also unknown. However, when untreated, it may contribute to the following complications:

  • Autoimmune and chronic inflammatory diseases. The presence of foreign particles in the bloodstream can trigger an immune response and result in chronic inflammation. This may promote the development or exacerbate conditions such as type 1 diabetes, IBD, IBS, systemic lupus erythematosus, multiple sclerosis, and celiac disease. However, while some research makes these associations, there is a lack of evidence to suggest that a ‘leaky gut’ may play a role in their development.
  • Metabolic and cardiovascular diseases. Increased intestinal gut permeability may lead to abnormalities in glucose and lipid metabolism, as well as increased inflammation, which can exacerbate cardiovascular diseases such as hypertension and atherosclerosis. A study on the adult Dutch population also found some links between ‘leaky gut’ and inflammatory markers that may contribute to metabolic disease. Again, the associations are made theoretically, and since there are no reliable tools to diagnose ‘leaky gut,’ there is no rigid evidence to support the potential contribution to these conditions.

Defining symptoms of 'leaky gut'

The symptoms of a ‘leaky gut’ can vary from person to person. Also, some individuals may experience a mix of symptoms while others may only have one. Here are some of the most common symptoms that lead people to believe they have a ‘leaky gut’:

  • Digestive issues. Diarrhea, bloating, gas, constipation, abdominal pain, and distension.
  • Food sensitivities. Intolerance or indigestion of foods that previously did not cause issues.
  • Fatigue. Chronic fatigue or low energy levels may be caused by poor nutrient absorption and inflammation.
  • Skin issues. Rashes, eczema flare-ups, or other inflammatory and autoimmune skin conditions.
  • Joint pain. Autoimmune and inflammatory joint discomfort or pain.
Disclaimer
A myriad of symptoms are attributed to ‘leaky gut,’ but they do not define it as a condition. There are no specific tools to diagnose ‘leaky gut’ as a condition, and these symptoms may arise from other health issues. As such, it would be best to discuss the symptoms with a healthcare provider to first rule out all other potential conditions.

How probiotics may help with 'leaky gut'

Probiotics are live beneficial microorganisms that can contribute to maintaining gut microbiome balance. While probiotics are not a treatment for any condition, they may be able to help manage ‘leaky gut’ symptoms by promoting symbiosis and supporting the gut lining.

Support gut lining

A summary of current research suggests that Lactobacillus, Bifidobacterium, and Saccharomyces species may have beneficial effects on supporting intestinal epithelial cells and reducing the damage caused by reactive oxygen species and inflammation. Lactobacillus rhamnosus GG may be the beneficial for restoring mucosal barrier in humans.

Contribute to inflammation reduction

Some probiotic strains may be able to reduce inflammatory reactions or even contribute to activating anti-inflammatory mechanisms. Lactobacillus species may be particularly beneficial for contributing to inflammation reduction.

Support gut microbiome balance

Probiotics help support or establish gut microbiome balance, potentially limiting the overgrowth of pathogenic bacteria. A balanced and healthy gut microbiome, in turn, contributes to proper digestion and supports the gut lining.

Produce short-chain fatty acids

Short-chain fatty acids (SCFAs) are produced when the beneficial bacteria ferment dietary fiber and resistant starch. SCFAs, in turn, may contribute to the maintenance of the intestinal barrier, mucus production, and anti-inflammatory processes.

Probiotics may help with ‘leaky gut’ in several ways, most of which involve restoring gut balance. However, lifestyle factors and any underlying conditions can also cause a ‘leaky gut’ and should be addressed to eliminate the underlying causes. The best approach is to consult your doctor.

What to consider when choosing probiotics for 'leaky gut'

To choose the best probiotic for you, you may want to pay attention to the following factors:

  1. Probiotic strains. Lactobacillus, Bifidobacterium, and Saccharomyces species are associated with supporting gut lining and contributing to the reduction of inflammation. A broader range of species may be able to address more concerns, while products with fewer species may be more effective at targeting specific issues.
  2. CFU count. A larger CFU count means more live organisms per serving. While more CFU is not necessarily better, increased CFU count may provide more chances for adequate beneficial bacteria count to reach the gut intact.
  3. Capsule design. To be effective, probiotics need to survive the harsh stomach environments and reach the gut alive. Look for a dual or delayed-release capsule design.
  4. Additional ingredients. Some probiotic supplements have additional active ingredients, such as digestive enzymes, that may be useful for some. However, certain herbal ingredients can interact with medication, so you consult with your doctor.

Are probiotics safe?

Probiotics are generally safe to take; however, immunocompromised individuals may have adverse reactions as their bodies try to fight off the bacteria. Also, pregnant or breastfeeding individuals or those taking prescription medications should carefully consult with their doctors before taking probiotics to prevent any cross-reactions.

Some side effects might occur during the initial adaptation period while your body adjusts to the probiotics. Bloating, nausea, constipation, and mild digestive discomfort should go away after a few days or a week. However, if the symptoms are persistent or severe, stop using the probiotics and consult a doctor.

Best probiotics for ‘leaky gut’: conclusion

All in all, ‘leaky gut’ is not an official medical condition but is a commonly used term to describe a cohort of symptoms, such as indigestion, bloating, inflammation, and others, caused by increased intestine permeability. The precise causes are unknown, however, it is believed that gut dysbiosis, increased inflammation, or underlying conditions, such as irritable bowel syndrome, could be some of the culprits.

Probiotics are not a treatment for any medical conditions; however, they contribute to the maintenance of a healthy gut microbiome, which in turn may support gut lining, contribute to inflammation management, limit the overgrowth of pathogenic bacteria, and support digestion.


You may also be interested in other probiotics

If you struggle to get enough dietary fiber, you may want to consider the best probiotic and probiotic combinations.

If you suffer from persistent bloating and gas, it may be worth considering the best probiotics for bloating.

If you are on the lookout for general probiotics, you may want to read about our top probiotic brands.


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