Probiotics for Traveller's Diarrhea: Why Is It an Essential

Your suitcase is packed and your travel outfits are ready. But what about your gut? Let’s be honest, nothing ruins your travel plans faster than a sudden bathroom emergency. You don’t want your dream beach day turning into a day stuck in a hotel room with stomach troubles— the very definition of traveller’s diarrhea. That’s definitely not the kind of travel story worth sharing.

If you’re a foodie and an adventurer at heart, there’s one thing you shouldn’t forget to pack: probiotics. These tiny, gut-friendly bacteria help keep your digestive system in check. They help you feel your best, so you can go wherever your feet take you. Here’s why you should add probiotics to your travel essentials list.

 

What Is Traveller's Diarrhea?

It’s not glamorous, but it’s something every traveler should know about! Traveller’s diarrhea is a common condition caused by exposure to unfamiliar bacteria (usually after ingesting contaminated food or water). The result? Frequent bathroom trips, stomach cramps, bloating, nausea, and sometimes even a mild fever.1 It can strike anywhere, especially in places with different hygiene or food preparation standards than what your body is used to.

 

How Probiotics can Help

Fortunately, there are simple steps you can take to proactively manage your gut health keeping travellers' diarrhea from ruining your trip. And one of them is packing a probiotic with you.

Probiotics are live, beneficial bacteria that keep your digestive system balanced and healthy.2 They protect your gut, block out harmful bacteria, and help your body adapt to changes in diet, environment, and routine2 encountered during travel.2 Crucially, efficacy is strain-specific. A probiotic like the yeast Saccharomyces boulardii has been shown to help prevent and reduce symptoms of traveler’s diarrhea.3

Here’s why probiotics for diarrhea should be a non-negotiable part of your travel kit:

 

1. They Help You Bounce Back from the Bathroom Blues

When diarrhea strikes, probiotics can help calm your gut and restore the healthy bacteria your digestive system needs to recover.4 They also help reduce the frequency and severity of symptoms, so you can get back to exploring instead of worrying about your next bathroom stop.

 

2. They Strengthen Your Immune Defenses

Even during an upset stomach, probiotics continue to support your immune system.5 This is especially important because about 70% of the body’s immune cells are housed in the gut (primarily within the Gut-Associated Lymphoid Tissue).6 Since most of your immune cells live in your gut, maintaining healthy gut bacteria can help your body fight off unwanted bugs and harmful pathogens you might encounter while traveling.5

 

3. They Aid with Stomach Sensitivities

Some travelers who experience diarrhea, bloating, or vomiting may actually be dealing with conditions such as lactose or gluten intolerance, irritable bowel syndrome (IBS), or food allergies.7 Taking probiotics can be especially beneficial for these people with sensitive stomachs, as well as those who take antibiotics during their trip.

 

4. They’re Convenient and Travel-Friendly

The best part? Many probiotics now come in capsule form, meaning you don’t need refrigeration to take them with you. Just toss a bottle into your carry-on or toiletry kit, and you’ll have gut support wherever you go.

 

Why You Should Travel With Probiotics

With probiotics in your luggage, you’ll be able to focus on the moments that matter. No stress, no stomach drama.

If possible, start taking your probiotics about five to seven days before your trip. This gives your gut time to strengthen its defenses. However, it’s important to remember that not all probiotics are created equal, especially when it comes to preventing traveler’s diarrhea (TD). Many probiotic strains support general gut health, but only a few have strong clinical evidence showing they can help protect against TD.

One of the most well-studied strains is Saccharomyces boulardii, a probiotic yeast known in reducing the risk of traveler’s diarrhea. In fact, a major meta-analysis by Lynne V. McFarland found that S. boulardii significantly decreased the incidence of TD across multiple clinical trials.8

BIOME® Gut Care is a probiotic supplement that contains 5 billion active CFUs of Saccharomyces boulardii, a known probiotic that can help reduce frequency and duration of diarrhea.9 These are known for providing various benefits such as promoting a healthy intestinal ecology, assisting in the improvement of lactose malabsorption, improving digestion, and boosting the body's natural resistance against intestinal infections.10

Take one (1) capsule of BIOME® Gut Care daily alongside food or as directed by your physician.

 

Reminder:

Probiotics should not be used as a substitute for the following:11

  • A balanced diet which includes all food groups, such as rice and its alternatives; meat, fish, poultry, eggs, milk or legumes11
  • Adequate hydration with water and electrolytes11

So yes, bring your sunglasses, your skincare, and your cutest travel fit. Additionally, pack something for your gut too. Because a happy tummy means a more fulfilling trip!

Mahalagang Paalala: Ang BIOME® Gut Care ay hindi gamot at hindi dapat gamiting panggamot sa anumang uri ng sakit.

Reference
  1. Traveler’s diarrhea. (2025, June 2). Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/7315-travelers-diarrhea
  2. Professional, C. C. M. (2025i, September 11). Probiotics. Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/14598-probiotics
  3. Pais, P., Almeida, V., Y?lmaz, M., & Teixeira, M. C. (2020). Saccharomyces boulardii: What Makes It Tick as Successful Probiotic?. Journal of fungi (Basel, Switzerland), 6(2), 78. https://doi.org/10.3390/jof6020078
  4. McFarland, L. V. (2010). Systematic review and meta-analysis of Saccharomyces boulardii in adult patients. World Journal of Gastroenterology, 16(18), 2202–2222. https://www.wjgnet.com/1007-9327/full/v16/i18/2202.htm
  5. Mazziotta, C., Tognon, M., Martini, F., Torreggiani, E., & Rotondo, J. C. (2023). Probiotics Mechanism of Action on Immune Cells and Beneficial Effects on Human Health. Cells, 12(1), 184. https://doi.org/10.3390/cells12010184
  6. Vighi, G., Marcucci, F., Sensi, L., Di Cara, G., & Frati, F. (2008). Allergy and the gastrointestinal system. Clinical and experimental immunology, 153 Suppl 1(Suppl 1), 3–6. https://pubmed.ncbi.nlm.nih.gov/18721321/
  7. Bjelac, J., Abrams, E. M., & Iglesia, E. G. A. (2023). Food allergies on vacation-there and back again. Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 130(4), 438–443. https://doi.org/10.1016/j.anai.2023.01.008
  8. McFarland L. V. (2007). Meta-analysis of probiotics for the prevention of traveler's diarrhea. Travel medicine and infectious disease, 5(2), 97–105. https://pubmed.ncbi.nlm.nih.gov/17298915/
  9. Saccharomyces boulardii 5B CFU (Biome® Gut Care) Company Core Data Sheet. Date of Revision: 8 August 2020.
  10. Food and Drug Administration Philippines. (2004). Bureau Circular No. 16, series of 2004. Bureau of Food and Drugs. https://www.fda.gov.ph/wp-content/uploads/2021/04/Bureau-Circular-No.-16-s.-2004.pdf
  11. World Health Organization. (2005). Diarrhoea treatment guidelines: Including new recommendations for the use of ORS and zinc supplementation for clinic-based health workers. https://cdn.who.int/media/docs/default-source/2021-dha-docs/pnadk428.pdf
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