Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 7 Researches
8.4
USERS' SCORE
Good
Based on 26 Reviews
8.5
Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
Saccharomyces boulardii(an S. cerevisiae Strain)
250 mg(5 Billion CFU)
MOS Yeast Fraction(Min. 35% Manno-oligosaccharides [MOS]) (S. cerevisiae)
200 mg

Top Medical Research Studies

9
Saccharomyces boulardii helps atopic dermatitis
We examined how Saccharomyces boulardii might help with atopic dermatitis (AD), a challenging allergic condition. In a study with mice, S. boulardii was given either before or during the induction of AD-like symptoms.

This probiotic treatment showed promising results, reducing inflammation, improving skin and colon health, and lowering certain harmful blood markers. The study highlighted how S. boulardii can modulate inflammatory responses, suggesting it might be a useful support therapy for managing AD symptoms.
Read More
We explored how perinatal administration of Saccharomyces cerevisiae UFMG A-905 could help prevent asthma in mouse offspring. This study involved various groups of mice receiving the yeast at different stages: before conception, during pregnancy, or only during lactation.

Our results showed that those exposed to S. cerevisiae exhibited significantly less airway hyperresponsiveness and lower levels of certain inflammatory markers compared to those that didn’t receive the treatment. Notably, the greatest protection occurred when the yeast was given during lactation.

Overall, it seems that S. cerevisiae UFMG A-905 shows promise in the management of asthma, especially when administered early in the offspring's development.
Read More
8
Probiotic aids allergic asthma management
We explored the effects of Saccharomyces boulardii on allergic asthma in a mouse model. The study revealed that S. boulardii improved inflammation and lung damage, while also restoring gut microbiota and metabolic balance.

By analyzing gut microbiota and metabolites, we found that S. boulardii up-regulated METTL3, playing a key role in alleviating symptoms. This suggests that probiotics like S. boulardii could offer new strategies to tackle allergic asthma through healthier gut dynamics.
Read More

Most Useful Reviews

9.5
Reduces allergy symptoms
These capsules help combat Candida and inflammation in the gastrointestinal tract. S. boulardii aids in restoring the gut and improving immune function, which in turn helps alleviate allergies. I've noticed improved skin and health overall from their anti-inflammatory properties.
Read More
8.3
Wheat tolerance restored
I have a wheat allergy and started taking this product. It has eliminated my severe stomach pains and diarrhoea after consuming poor-quality wheat. I'm grateful to enjoy foods like ramen and bread again, and I find it also helps stabilise my mental health.
Read More
9.5
Allergy relief achieved
I relied on these probiotics after my child developed an allergy and rash. Diluting the contents in water provided immediate relief, and subsequent doses cleared it up. I also found relief from my own allergic reactions after a severe headache using this product.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 7 Researches
8.4
  • All Researches
9
Saccharomyces boulardii helps atopic dermatitis
We examined how Saccharomyces boulardii might help with atopic dermatitis (AD), a challenging allergic condition. In a study with mice, S. boulardii was given either before or during the induction of AD-like symptoms.

This probiotic treatment showed promising results, reducing inflammation, improving skin and colon health, and lowering certain harmful blood markers. The study highlighted how S. boulardii can modulate inflammatory responses, suggesting it might be a useful support therapy for managing AD symptoms.
Read More
9
Saccharomyces boulardii enhances allergy treatment
We explored the impact of combining Saccharomyces boulardii with cetirizine hydrochloride in treating allergic rhinitis in children. In a study involving 90 children, we divided them into two groups: one received only cetirizine, while the other was given both medications.

After four weeks, results showed that the group using Saccharomyces boulardii experienced a significantly higher rate of symptom improvement and better changes in immune markers compared to the control group. The combined treatment had an impressive 91.11% effectiveness rate compared to 68.89% for cetirizine alone, suggesting that this probiotic may enhance allergy management for children.
Read More
We explored how perinatal administration of Saccharomyces cerevisiae UFMG A-905 could help prevent asthma in mouse offspring. This study involved various groups of mice receiving the yeast at different stages: before conception, during pregnancy, or only during lactation.

Our results showed that those exposed to S. cerevisiae exhibited significantly less airway hyperresponsiveness and lower levels of certain inflammatory markers compared to those that didn’t receive the treatment. Notably, the greatest protection occurred when the yeast was given during lactation.

Overall, it seems that S. cerevisiae UFMG A-905 shows promise in the management of asthma, especially when administered early in the offspring's development.
Read More
8
Probiotic aids allergic asthma management
We explored the effects of Saccharomyces boulardii on allergic asthma in a mouse model. The study revealed that S. boulardii improved inflammation and lung damage, while also restoring gut microbiota and metabolic balance.

By analyzing gut microbiota and metabolites, we found that S. boulardii up-regulated METTL3, playing a key role in alleviating symptoms. This suggests that probiotics like S. boulardii could offer new strategies to tackle allergic asthma through healthier gut dynamics.
Read More
8
Saccharomyces boulardii shows partial benefits
We explored how a symbiotic preparation with S. boulardii lysate affects gut permeability linked to allergies. In our study with Sprague Dawley rats, stress led to increased gut permeability and significant changes in intestinal structure. However, this stress-induced damage was partly counteracted by the KC-1317 preparation. Although the treatment helped maintain some intestinal health markers, it did not fully restore the altered gut hormone levels caused by stress. Overall, while some benefits were observed, the impact of S. boulardii on allergy-related gut issues remains limited.
Read More

User Reviews

USERS' SCORE
Good
Based on 26 Reviews
8.5
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Reduces allergy symptoms
These capsules help combat Candida and inflammation in the gastrointestinal tract. S. boulardii aids in restoring the gut and improving immune function, which in turn helps alleviate allergies. I've noticed improved skin and health overall from their anti-inflammatory properties.
Read More
8.3
Wheat tolerance restored
I have a wheat allergy and started taking this product. It has eliminated my severe stomach pains and diarrhoea after consuming poor-quality wheat. I'm grateful to enjoy foods like ramen and bread again, and I find it also helps stabilise my mental health.
Read More
9.5
Allergy relief achieved
I relied on these probiotics after my child developed an allergy and rash. Diluting the contents in water provided immediate relief, and subsequent doses cleared it up. I also found relief from my own allergic reactions after a severe headache using this product.
Read More
9.5
Alleviates allergy issues
An outstanding product! This probiotic helped me immensely with my allergy issues in a short time. Since I started it, my histamine problems have improved significantly, and I will definitely purchase it again.
Read More
9.5
Fights food allergies
Saccharomyces boulardii possesses antimicrobial and anti-inflammatory properties, aiding with acute diarrhoea and "traveler's diarrhoea". It suppresses harmful microbes, reduces inflammation, helps with food allergies, and restores gut health during and after antibiotic use while improving nutrient absorption and immune function.
Read More

Frequently Asked Questions

Allergies are the body's immune system responses to substances known as allergens, which can be harmless in most individuals. When a person with allergies encounters these allergens, their immune system mistakenly identifies them as a threat and launches a response. This can lead to symptoms ranging from mild, such as sneezing, itching, and rashes, to severe reactions known as anaphylaxis, which can be life-threatening. Common allergens include pollen, pet dander, certain foods like nuts and shellfish, insect stings, and medications.

Managing allergies often involves avoiding known allergens and using medications such as antihistamines or corticosteroids to alleviate symptoms. In some cases, doctors might recommend allergy shots or immunotherapy to help patients build tolerance over time. If you suspect you have allergies, consulting with a healthcare professional for proper diagnosis and treatment options is crucial. Understanding your triggers and how to live with allergies can significantly improve your quality of life.

Saccharomyces boulardii is a beneficial yeast strain known for its probiotic properties. Originally isolated from lychee and mangosteen fruit in the 1920s by French microbiologist Henri Boulard, this yeast is widely recognized for its ability to support digestive health. It is commonly used to prevent and treat diarrhea, especially in cases related to antibiotic use or gastrointestinal infections. Saccharomyces boulardii works by helping to maintain the natural balance of good bacteria in the gut, promoting the growth of beneficial microorganisms, and producing substances that inhibit pathogen growth.

In addition to its anti-diarrheal benefits, research suggests that Saccharomyces boulardii may also contribute to other health benefits, including digestive recovery after gastrointestinal illness and potential support for conditions like irritable bowel syndrome (IBS). While it is generally regarded as safe for most individuals, those with compromised immune systems or central venous catheters should consult healthcare professionals prior to use. As always, it's best to choose high-quality supplements that clearly specify the strain and dosage of Saccharomyces boulardii to ensure efficacy.

When it comes to taking Saccharomyces boulardii supplements for allergies, user experiences suggest that results can vary. Many users report experiencing improvements within a couple of weeks. For instance, one user highlighted that after taking the probiotics for two weeks, their gastrointestinal irritation and food allergies improved significantly (Read Review). Similarly, another user found relief from their allergy issues in a short time after starting the supplement (Read Review).

However, some users emphasize the importance of consistency in taking the product to experience its full benefits. One reviewer pointed out that regular intake is crucial for effective results, noting that the capsule has medicinal properties that substantially help with allergies (Read Review). Overall, while individual reactions may differ, many users suggest an initial improvement can often be seen within a couple of weeks of regular use.

Yes, Saccharomyces boulardii is supported by scientific research for its potential benefits in managing allergies. Several studies have highlighted its role in alleviating allergic conditions, such as atopic dermatitis and allergic asthma. For instance, a study showed that S. boulardii significantly improved inflammation and lung damage in a mouse model of allergic asthma, suggesting that it may help restore gut microbiota and balance metabolic processes related to allergies [2]. Additionally, a clinical trial involving children with allergic rhinitis demonstrated that those receiving S. boulardii in combination with cetirizine experienced a higher rate of symptom improvement compared to those treated with cetirizine alone, indicating its effectiveness in enhancing allergy management [3].

However, while some benefits have been observed, the extent of S. boulardii’s impact on allergy-related gut issues is still being studied. A separate investigation indicated that while S. boulardii could help maintain certain intestinal health markers under stress conditions, its ability to fully restore altered gut hormone levels linked to allergies is limited [4]. Therefore, while the existing research certainly supports the potential of S. boulardii in allergy management, further studies are needed to draw definitive conclusions about its overall effectiveness.

Based on user reviews, many individuals report significant improvements in their allergy symptoms after using Saccharomyces boulardii supplements. For instance, one user described how the product helped eliminate severe stomach pains and diarrhea related to a wheat allergy, allowing them to enjoy foods they previously had to avoid (Read Review). Another reviewer noted that after two weeks of consistent use, their gastrointestinal irritation and food allergies improved significantly, which contributed to a sense of relief and comfort (Read Review).

Moreover, many users have highlighted the supplement's role in enhancing overall gut health and immune function, which they believe plays a critical part in alleviating allergy symptoms. One review pointed out that regular intake led to better nutrient absorption and a reduction in allergy severity, underscoring the importance of consistency in achieving desired results (Read Review). However, it is essential to note that while many users report positive experiences, individual results may vary, and some users have experienced negative reactions or needed to discontinue use (Read Review).

Users generally report positive experiences when combining Saccharomyces boulardii with other supplements to manage allergies. Many note that taking this probiotic alongside specific dietary changes or additional health supplements has enhanced its effectiveness. For instance, one reviewer mentioned that combining Saccharomyces boulardii with plantain powder significantly improved their immune response to allergens (Read Review). Another user highlighted that their doctor suggested using Saccharomyces in conjunction with other additives during their allergy treatment, reinforcing the idea that this probiotic can work effectively within a more extensive supplement regimen (Read Review).

Furthermore, multiple users emphasized the importance of starting Saccharomyces boulardii early when taking antibiotics, as this approach may help prevent side effects that could exacerbate allergies, reinforcing the critical role of maintaining gut health (Read Review). Some individuals have also noted that this probiotic helps restore gut flora and supports immune function, which is essential for managing allergic reactions (Read Review). Overall, the consensus from user reviews suggests that this supplement is effective when used alone or as part of a broader strategy involving additional supplements.

Users report varying experiences regarding the right dose of Saccharomyces Boulardii for treating allergies. Many have found success with different dosing strategies, but a common thread among reviews is the preference for a daily intake of three capsules. For instance, one user noted significant improvement in their allergies and folliculitis after consistently taking three capsules daily (Read Review). Another mentioned a substantial decrease in allergy symptoms through regular use (Read Review).

Moreover, some users have tailored their intake depending on their specific needs and experiences. One user emphasized the need to take the probiotic from the first day of antibiotic treatment to effectively combat side effects like allergies (Read Review). Overall, while many users advocate for routine daily dosing, the exact dosage may vary based on individual needs, sensitivities, and advice from healthcare providers.

8.8
Food allergy recovery
This product saved me during two allergy episodes. After taking it for two weeks, my gastrointestinal irritation and food allergies improved significantly. I felt light and free from discomfort, thanks to these probiotics.
9.5
Alleviates allergy issues
An outstanding product! This probiotic helped me immensely with my allergy issues in a short time. Since I started it, my histamine problems have improved significantly, and I will definitely purchase it again.
8.8
Medicinal properties noted
Saccharomyces boulardii is not just a probiotic; it has medicinal properties and assists in treating allergies. It passes through the intestine providing therapeutic benefits and must be taken regularly for effect. I find it effective in reducing food allergies and improving nutrient absorption.
8.3
Wheat tolerance restored
I have a wheat allergy and started taking this product. It has eliminated my severe stomach pains and diarrhoea after consuming poor-quality wheat. I'm grateful to enjoy foods like ramen and bread again, and I find it also helps stabilise my mental health.
3.8
Yeast allergy caution
Good, but I had to stop using it due to an allergic reaction, with itching and swelling. I suspect it may have triggered my yeast allergy. Although it's valuable for others, I'm giving it to my husband, and it seems to work well for him without issues.
8.8
Improved immunity
My saviour for allergies! I previously took Eubikor but switched to these capsules with plantain fibre, which work far better. One saccharomycete tablet and a spoon of plantain powder have significantly improved my immune response.
8.8
Effective for allergies
I adore the impact this product has. A doctor recommended it alongside other additives during my battle with allergies. I have purchased it several times, and it works well.
8.8
Protects against allergies
It's essential to take probiotics alongside antibiotics from day one, as they help reduce side effects like diarrhoea and allergies. Probiotics promote the restoration of beneficial gut flora. Saccharomyces boulardii and Lactobacillus rhamnosus GG are particularly effective. They combat pathogenic bacteria and help alleviate allergic reactions while preparing for the establishment of good microflora in the gut.
8
Combatting allergens effectively
Saccharomyces boulardii helps prevent and manage allergies and diarrhoea. They are resistant to antibiotics and improve gut health while mitigating the effects of allergens. I've found them much more effective than other treatments, especially in preventing dehydration from diarrhoea.
8.8
Allergy improvement observed
After moving to Australia, I developed allergies and folliculitis. I learned that improving my intestinal environment could enhance my immune system, and taking three capsules daily has noticeably improved both my allergies and folliculitis. I'm very pleased with these results!
7.5
Allergy symptom relief
These capsules, recommended by my dermatologist for allergic urticaria, have greatly improved my digestive health. I've noticed fewer allergy symptoms as I address my "leaky gut" with dietary supplements. However, a hypoallergenic diet is still essential in managing my allergies.
8
Probiotic aids allergic asthma management
We explored the effects of Saccharomyces boulardii on allergic asthma in a mouse model. The study revealed that S. boulardii improved inflammation and lung damage, while also restoring gut microbiota and metabolic balance.

By analyzing gut microbiota and metabolites, we found that S. boulardii up-regulated METTL3, playing a key role in alleviating symptoms. This suggests that probiotics like S. boulardii could offer new strategies to tackle allergic asthma through healthier gut dynamics.
9
Saccharomyces boulardii enhances allergy treatment
We explored the impact of combining Saccharomyces boulardii with cetirizine hydrochloride in treating allergic rhinitis in children. In a study involving 90 children, we divided them into two groups: one received only cetirizine, while the other was given both medications.

After four weeks, results showed that the group using Saccharomyces boulardii experienced a significantly higher rate of symptom improvement and better changes in immune markers compared to the control group. The combined treatment had an impressive 91.11% effectiveness rate compared to 68.89% for cetirizine alone, suggesting that this probiotic may enhance allergy management for children.
8
Saccharomyces boulardii shows partial benefits
We explored how a symbiotic preparation with S. boulardii lysate affects gut permeability linked to allergies. In our study with Sprague Dawley rats, stress led to increased gut permeability and significant changes in intestinal structure. However, this stress-induced damage was partly counteracted by the KC-1317 preparation. Although the treatment helped maintain some intestinal health markers, it did not fully restore the altered gut hormone levels caused by stress. Overall, while some benefits were observed, the impact of S. boulardii on allergy-related gut issues remains limited.

References

  1. Buttar PA, Mazhar MU, Khan JZ, Jamil M, Abid M, et al. Saccharomyces boulardii (CNCM I-745) ameliorates Ovalbumin-induced atopic dermatitis by modulating the NF-κB signaling in skin and colon. Arch Dermatol Res. 2025;317:500. doi:10.1007/s00403-025-04057-6
  2. Liu D, Hu L, Yang Y, Wang Y, Li Y, et al. Saccharomyces boulardii alleviates allergic asthma by restoring gut microbiota and metabolic homeostasis via up-regulation of METTL3 in an m6A-dependent manner. Immunol Lett. 2024;267:106853. doi:10.1016/j.imlet.2024.106853
  3. Fang GX, Li Z, Su C, Hu GH. [Clinical observation of saccharomyces boulardii combined with cetirizine hydrochloride in children allergic rhinitis]. Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2017;31:1649. doi:10.13201/j.issn.1001-1781.2017.21.007
  4. Takadanohara H, Catanzaro R, Chui de H, He F, Yadav H, et al. Beneficial effect of a symbiotic preparation with S. boulardii lysate in mild stress-induced gut hyper-permeability. Acta Biomed. 2012;83:208.
  5. Sandy CM, Guimarães CC, Fonseca VMB, Nicoli JR, Martins FS, et al. Perinatal administration of Saccharomyces cerevisiae UFMG A-905 prevents asthma development in the offspring of mice. Benef Microbes. 2024;16:125. doi:10.1163/18762891-bja00044
  6. Singh RG, Garcia-Campayo V, Green JB, Paton N, Saunders JD, et al. Efficacy of a yeast postbiotic on cold/flu symptoms in healthy children: A randomized-controlled trial. Pediatr Res. 2024;96:1739. doi:10.1038/s41390-024-03331-z
  7. Calazans APCT, Milani TMS, Prata AS, Clerici MTPS, Nicoli JR, et al. A Functional Bread Fermented with UFMG A-905 Prevents Allergic Asthma in Mice. Curr Dev Nutr. 2024;8:102142. doi:10.1016/j.cdnut.2024.102142
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