Many individuals need to take probiotics with them when traveling but are unsure if they are allowed or what the consequences might be.

Therefore, the question of ‘Can I take probiotics on a plane?’ becomes of the utmost importance if you need to travel whilst maintaining a healthy gut.

Here’s everything you need to know about flying with probiotics. We’ll answer all of your questions including whether or not you can bring them through airport security and whether or not they’re allowed on the plane.

It can be hard to remember to pack your probiotics when you’re traveling. You might be worried about whether or not you can bring them on the plane.

Millions of people take probiotics every day to improve their gut health, but what happens if you have to fly? Will the probiotics still work? Will they survive the high altitudes and changes in air pressure?

Can I Bring Probiotics Through Airport Security?

Yes, you can bring probiotics through airport security as long as they are in their original packaging and have less than 3.4 ounces of liquid. If your probiotics are not in their original packaging or if they contain more than 3.4 ounces of liquid, they will need to be packed in your checked luggage.

It is important to note that the Transportation Security Administration (TSA) reserves the right to confiscate any item they deem to be a security risk. So, if they believe that your probiotics pose a threat, they may choose to remove them from your carry-on or checked luggage.

So, if you are traveling with probiotics, make sure to pack them in their original packaging and avoid packing them in containers that hold more than 3.4 ounces of liquid. And, if you have any questions or concerns, be sure to contact the TSA before your trip.

Are Probiotics Allowed on Planes?

Yes, probiotics are allowed on planes. However, they may not be permitted in the cabin if they exceed the size limit of 3.4 ounces of liquid. If you are traveling with a larger container of probiotics, you will need to pack them in your checked luggage which will go in the belly of the plane.

What Are the Consequences of Bringing Probiotics on a Plane?

There are no consequences for bringing probiotics on a plane. They are allowed in both the cabin and checked luggage, and they will not affect the safety of the aircraft. However, if your probiotics exceed the size limit of 3.4 ounces of liquid, you may be asked to pack them in your checked luggage.

Know the rules when taking your medication with you when you are travelling - can I take probiotics on a plane
Know the rules when taking your medication with you when you are traveling

Will air pressure affect the probiotics?

The idea that air pressure might affect probiotics is an interesting one.

Probiotics are living microorganisms that are believed to offer health benefits when consumed. Air pressure is the force exerted by the weight of the air above a given point. So, it would stand to reason that if there is more air pressure on a probiotic, then it would be less likely to survive.

However, there is very little research on this topic, and it is not clear if air pressure has any effect on probiotics. Further research is needed to determine whether or not air pressure affects probiotic bacteria.

What can effect air pressure have on your probiotics?

Air pressure can affect the probiotics in your gut. Probiotics are living organisms that help keep your digestive system healthy by populating it with good bacteria and crowding out bad. The way they do this is to produce lactic acid, which means they’re sensitive to changes in air pressure. If you fly on a plane or go up in a balloon, the probiotics in your gut will be affected.

So if you’re taking probiotic supplements, it’s a good idea to bring them with you in case the pressure changes. If you’re not sure whether your probiotics are air-sensitive, ask your doctor or pharmacist for advice. And if you’re traveling to a place with a different air pressure than where you live, it might be a good idea to bring your probiotics with you just in case.

It’s not just air pressure that affects the probiotics in your gut; the temperature can too. So if you’re going on a trip to a warm place, you might want to leave your probiotics at home. And if you’re going on a trip to a cold place, you might want to bring them with you.

As long as you’re aware of the things that can affect your probiotics, you can take steps to keep them safe. And by keeping your probiotics healthy, you’ll keep your digestive system healthy too.

Ensure your probiotics are safe and effective when travelling - can I take probiotics on a plane
Ensure your probiotics are safe and effective when traveling

How to keep your probiotics safe during traveling

In fact, there are a few things you can do to make sure your probiotics stay effective during your travels. Here are our top tips for keeping your gut health on track while you’re on the go.

Follow these guidelines for safer traveling with probiotics:

  • Keep your capsules or powder packs tightly sealed in their original packaging and place them immediately in an insulated bag (like a cooler) filled with ice packs.
  • Store your probiotic somewhere easy to reach, like an overhead compartment or seat pocket, and be sure to carry it onto the plane with you.
  • Always keep your probiotics refrigerated until use unless the product states otherwise.
  • Avoid exposing your probiotics to extreme temperatures, direct sunlight, or moisture.
  • It’s also a good idea to have an extra supply in case of any travel-related delays.

What about eating and drinking prior to flying?

Prior to flying it is advisable to fast in order to empty your digestion and prevent unpleasant feelings when the air pressure changes.

However, if you find fasting hard, it is advisable to eat 2 to 3 hours prior to flying and then to consume water from that point on.

Stay hydrated and if you drink during the flight, consume either more water, herbal teas, or black coffee. No alcohol or milk products as these will cause you to feel dehydrated from the alcohol consumption and bloated with the dairy produce.

Once you land it is advisable to find somewhere to eat some healthy food and hydrate as much as you can until you feel acclimatized.

In conclusion

Taking measures to ensure your stomach is settled prior to flying and during the flight will go a long way to how you feel during the flight and when you land.

Learning to listen to your body and adapt is key here and where possible start with short-haul flights before you go on any long-distance excursion.

Once you find a pattern to eating and drinking prior to traveling, then you will be in the best place possible to manage your gut health.

A quick reminder .. aim to provide the most up-to-date information, help, and advice for YOU to make informed decisions. If you are unsure or uncertain and require more clarity, please reach out to us and we will gladly come back and advise you as best we can.

The best means to reach us is via email at or fill out the form on our Contact Us page – click here.

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