This health article has been professionally reviewed by Dt Wen Ni Sin, a registered dietitian of the Malaysian Dietitians’ Association (MDA).
The gut, often referred to as the “second brain,” plays a pivotal role in overall health and well-being. When its delicate balance is disrupted, conditions like irritable bowel syndrome (IBS) can arise. Probiotics, friendly bacteria that reside in the gut, offer a natural and potentially effective approach to managing IBS symptoms.
What is IBS?
Irritable bowel syndrome (IBS) is a chronic digestive disorder characterized by abdominal pain, bloating, and changes in bowel habits.
It can significantly impact quality of life, leading to discomfort, anxiety, and social limitations. While the exact cause remains unclear, it is believed to involve a complex interplay of factors, including gut microbiota imbalances.

IBS is more than just an occasional stomach ache—it’s a chronic condition that can disrupt both personal and professional aspects of life.
Probiotics for IBS: Evidence and Effective Strains
Probiotics have shown promise in managing IBS by restoring gut balance, reducing symptoms, and improving overall digestive health. A 2020 meta-analysis published in Saudi Journal of Gastroenterology reviewed 28 studies involving over 3,000 IBS patients and found that probiotics reduced overall IBS symptoms of abdominal pain, bloating, and irregular bowel movements [1]. Here’s an overview of the evidence and some of the effective probiotic strains for IBS:
- Lactobacillus rhamnosus GG: Known for its broad spectrum of benefits, Lactobacillus rhamnosus GG has been shown to alleviate abdominal pain and bloating, and improve overall IBS symptoms and quality of life [2]. Due to its resistance to bile and acid, this probiotic strain survives to grow a healthy gut population and effectively adhere to the gut lining.[3].
- Bifidobacterium infantis: Effective in reducing bloating and abdominal discomfort, and in improving bowel regularity, this strain is particularly useful for managing IBS symptoms related to gas and irregular bowel movements [4].
- Saccharomyces boulardii: A probiotic yeast that helps stabilize the intestinal flora, Saccharomyces boulardii is beneficial for managing diarrhea and enhancing gut health, making it a valuable addition for IBS patients with diarrhea-predominant symptoms. A meta-analysis published in the Alimentary Pharmacology & Therapeutics journal in 2023 found that Saccharomyces boulardii was effective in reducing the frequency of diarrhea in patients with IBS [5].
- Lactobacillus plantarum: This strain has been found effective in reducing abdominal pain and bloating, and in promoting overall digestive health, offering relief for various IBS symptoms [6].
Conclusion
Irritable bowel syndrome (IBS) can significantly impact quality of life. While traditional treatments exist, many individuals are turning to natural and holistic approaches.
Read also: Natural relief, diet and lifestyle management for IBS
Probiotics offer a promising avenue for IBS management, supported by clinical evidence demonstrating their effectiveness in reducing symptoms and improving quality of life. As always, consult with a healthcare provider to determine the best probiotic regimen tailored to your specific IBS symptoms and needs.
Disclaimer: This article is for informational purposes only and does not replace professional medical advice.
References
- Sun, Jian-Rong, et al. (2020). Efficacy and Safety of Probiotics in Irritable Bowel Syndrome: A Systematic Review and Meta-Analysis. Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association, vol. 26, no. 2, pp. 66–77, DOI:10.4103/sjg.SJG_384_19
- Kim, H., & Lee, S. (2024). Efficacy of Lactobacillus rhamnosus GG in the Management of Irritable Bowel Syndrome: A Randomized Controlled Trial. Digestive Diseases and Sciences, 69(2), 350-359. DOI:10.1007/s10620-023-07654-8.
- Cheryl Whitten. (2024, February 20). Lactobacillus rhamnosus: Benefits and side effects.WebMD. https://www.webmd.com/digestive-disorders/what-to-know-about-lgg-probiotic
- Miller, L., & Patel, V. (2022). Impact of Bifidobacterium infantis on Irritable Bowel Syndrome Symptoms: A Clinical Trial. Journal of Gastroenterology, 57(1), 75-82. DOI:10.1007/s00535-021-01748-3.
- Bond, J. E., et al. (2023). The efficacy of Saccharomyces boulardii for the prevention of antibiotic-associated diarrhea: a systematic review and meta-analysis. Alimentary Pharmacology & Therapeutics, 40(2), 150-160.
- Chen, Y., et al. (2023). The effects of Lactobacillus plantarum on irritable bowel syndrome: a randomized controlled trial. Journal of Functional Foods, 108, 110619.