How to Look After Your Gut While Travelling

You’ve worked flat out for months. You’re exhausted and looking forward to switching off, slowing down, and enjoying yourself.

Sun on your skin. Swimming in the sea. Gorgeous food. A glass (or two) of something cold and delicious. Finally, a chance to relax and reset.

But then your digestion has other ideas.

For many people, holidays don’t just bring relaxation – they also bring bloating, constipation, or an upset stomach. If your gut tends to go off track the minute you change your routine, you’re not alone.

In this blog, we’ll explore why travel can disrupt your digestion and the simple nutrition and lifestyle strategies you can use to support your gut health while travelling.

Why Travelling Affects Your Gut

Travelling is exciting, but it can also disrupt your body in ways that directly impact digestion. Here’s why:

Flying is dehydrating – Cabin air is dry and low in humidity. Dehydration doesn’t just affect your skin – it affects your colon, too, slowing bowel movements and leading to constipation.
Less movement = slower gut motility – Hours of sitting on planes, trains, or cars mean the gut isn’t being stimulated by natural movement. The result? Sluggish digestion.
Jet lag and disrupted sleep – Your body runs on a circadian rhythm, and digestion is part of that. When your internal clock is thrown off, your gut bacteria also lose their rhythm.
New foods and bugs – From richer meals to unfamiliar bacteria in food and water, your digestive system has to adapt quickly, sometimes reacting with bloating, diarrhoea, or nausea.
Loss of routine – Your gut loves consistency. Different mealtimes, skipped meals, or irregular snacks can all add up to disruption.

The outcome can be anything from holiday bloating and constipation to traveller’s diarrhoea or just feeling “off.”

Simple Tips to Keep Your Digestion on Track

Supporting your gut while travelling doesn’t have to be complicated. A few practical steps can make a big difference.

1. Hydration

Dehydration is one of the quickest ways to upset your digestion. Start preparing the day before you travel by drinking extra water. On travel days, take an empty reusable bottle through airport security and fill it up before boarding.

Herbal teas (peppermint, fennel, ginger) can also be soothing on the move. And remember, caffeine and alcohol are dehydrating, so balance them with plenty of water.

2. Consider Magnesium

If you get constipated or feel tense when travelling, magnesium can be a game-changer. Magnesium supports the smooth muscle in your digestive tract, helping to keep things moving.

Magnesium citrate is gentle and travel-friendly, often available in sachets you can mix into water.
Magnesium glycinate is another option if stress and sleep are also a concern.

Always test any supplement at home first so you know how your body responds.

3. What About Probiotics?

Probiotics can be especially useful if your gut reacts strongly to new foods or if you’ve had tummy trouble on previous trips.

Look for travel-friendly capsules or sachets that include Saccharomyces boulardii, a beneficial yeast shown to help prevent traveller’s diarrhoea and support overall gut resilience. Ideally, start 1–2 weeks before your holiday to give your microbiome time to adjust.

Other probiotic strains, like Lactobacillus rhamnosus GG or Bifidobacterium lactis, may also support bloating, constipation, or general digestive health.

4. Keep a Touch of Routine

You don’t need to be strict on holiday, but a few familiar habits can give your gut some grounding:

Start your day with movement – Even a 10-minute walk can stimulate gut motility.
Pack familiar snacks – Oatcakes, nuts, trail mix, or protein bars can be a lifesaver when mealtimes are unpredictable.
Anchor your meals – Try to keep 1–2 meals a day close to your usual style of eating, ideally including fibre and protein.
Chew, breathe, slow down – Eating slowly and chewing properly helps digestion and increases enjoyment of food.

5. Support Stress and Sleep

Stress and disrupted sleep are common travel triggers. Both can weaken the gut lining and alter your gut bacteria, setting the stage for symptoms.

Pack a sleep mask or earplugs if noise and light disturb you.
Use breathing techniques or a short meditation if travel makes you anxious.
Prioritise downtime – holidays are about rest as much as adventure.

And If Things Still Go Off Piste…

Even with the best preparation, travel tummy can still strike. Don’t panic – you can often get back on track quickly.

Drink extra water to rehydrate.
Eat lighter but nourishing meals – think soups, grilled fish, vegetables, or rice – to give digestion a break.
Move gently – stretching or walking can help restore rhythm.
Prioritise sleep to allow your body to reset.

I also recommend packing Enterosgel, a tasteless gel that binds to toxins and calms the gut. It’s one of my holiday staples, especially if you’re prone to food-related stomach upsets or unlucky enough to pick up a bug abroad. I even used it preventatively while travelling in Vietnam, because I’m always the one who seems to pick up bugs!

You can find Enterosgel in Boots and Holland & Barrett, and it’s worth having in your travel kit.

Foods That Can Help While Travelling

You might not always have full control over what you eat on holiday, but where possible, choosing gut-friendly options can make all the difference.

Hydrating foods: watermelon, cucumber, oranges.
Fibre-rich choices: oats, beans, lentils, wholegrain bread.
Fermented foods: live yoghurt, kefir, sauerkraut (if available).
Protein with meals: chicken, fish, eggs, or beans to balance blood sugar and keep energy stable.

Balancing indulgence with some of these staples can help you feel better during and after your holiday.

When to Seek Support

Digestive symptoms on holiday are common, but if you find they happen every time you travel – or if you struggle with bloating, constipation, diarrhoea, or pain day-to-day – it may be worth looking deeper.

Working with a nutritional therapist can help you identify underlying imbalances, support your gut lining, and create a personalised plan that reduces symptoms long-term. That way, you can enjoy future holidays without worrying about your digestion holding you back.

Final Thoughts

Holidays are for relaxing, not worrying about your gut. By understanding why travel affects digestion and putting a few simple strategies in place, you can reduce the risk of holiday bloating, constipation, or diarrhoea and focus on enjoying yourself.

Hydrate well, pack a few gut-friendly essentials, and keep a little routine – your digestion will thank you. And if you need extra support, remember you don’t have to figure it out alone.

Download ‘Beat the Bloat’ free for some simple everyday tips to support your digestion. Or contact me for further advice.