Can you take creatine on a plane?

Packing for a trip when you train regularly always raises the same nagging question: what happens to your supplements at the security checkpoint? Creatine is one of the most common culprits, mostly because a tub of fine white powder is exactly the kind of thing that makes people nervous about airport security. The good news is simple.

Yes, you can take creatine on a plane — in both your carry-on and your checked luggage. It's a legal, everyday dietary supplement, and security officers see it constantly. There are just a few rules worth knowing so you breeze through the checkpoint instead of getting pulled aside for a chat.

Here's everything you need to know before you fly.

The quick answer by creatine type

How easy your creatine is to travel with depends almost entirely on what form it comes in.

• Creatine powder — Allowed in carry-on and checked bags. The only catch is quantity (more on that below).
• Creatine capsules, tablets and pills — The easiest option by far. No limits, no special screening, no questions. Toss them in any bag.
• Creatine gummies — Treated like any other solid. Perfectly fine, and a tidy way to avoid scoops and spills.
• Liquid or pre-mixed creatine — Subject to the standard liquids rule. Containers must be 100ml/3.4oz or smaller to go in your carry-on, or pack the larger bottle in your checked bag.

If you want the most hassle-free trip, capsules or gummies are the clear winner. But powder is absolutely allowed — you just need to pack it the right way.

The powder rule you actually need to remember

This is where most of the confusion comes from, and the rules differ slightly depending on where you're flying.

Flying from the United States (TSA rules)

The Transportation Security Administration treats powders as their own category. The key threshold is 12 ounces / 350ml — roughly the volume of a standard soda can. According to the TSA, powder-like substances above that amount in carry-on bags must be removed and placed in a separate bin for X-ray screening, and may be subject to additional inspection, including officers opening the container. Anything over that limit that can't be cleared at the checkpoint won't be allowed into the cabin.

There's no cap on the total amount of powder you can bring, and you could technically pack a five-pound tub if it fits — but anything over 12oz in your hand luggage means extra screening. For convenience, the TSA encourages travellers to put larger, non-essential powders in checked luggage.

Flying within the EU or UK

The EU and UK don't impose a specific weight limit on powders the way the TSA does. Creatine, protein and pre-workout are all allowed in hand luggage, though security may pull them aside to be scanned separately. The 100ml liquids limit still applies to anything pre-mixed. In short: solids and powders are fine, but expect the occasional extra check, especially on larger tubs.

A practical takeaway for both regions: if you only need a few servings for a short trip, decant a smaller amount into a clearly labelled container and skip the screening drama entirely.

Smart packing tips to avoid getting flagged

A little preparation goes a long way. These small habits keep your supplements — and your patience — intact.

Keep it in the original, labelled container. This is the single most useful tip. A sealed, professionally branded tub tells a security officer exactly what they're looking at. An unmarked bag of white powder invites questions and, occasionally, a swab test.

Avoid the generic zip-top bag. Transferring creatine into a plain plastic baggie to save space is the most common mistake travellers make. If you must, label it clearly with a permanent marker and tape the supplement facts to the outside.

Don't pre-mix it. A full shaker bottle of creatine and water is a liquid, and anything over 100ml will be tossed at the checkpoint. Mix it after you land instead.

Check your destination's rules. Airport security cares about safety; customs cares about legality. Most Western countries treat creatine the same way, but a handful of destinations have stricter import rules on supplements. A two-minute search before you fly saves a headache on arrival.

Stay hydrated. Cabin air is dry, and creatine draws water into your muscles. Bring an empty reusable bottle, fill it after security, and keep sipping through the flight.

Comment from our team member, Mike: "For the last few years I've travelled many times with creatine and never had any issues. That said, for convenience I usually switch to creatine tablets or pills just for the trip — it's simply easier to carry a small box or tube than the bigger, bulkier tub that powder creatine usually comes in."

Frequently asked questions

Can you take creatine in your carry-on? Yes. Powder, capsules and gummies are all allowed in hand luggage. Just keep powder containers under 12oz/350ml in the US to avoid extra screening, and keep any pre-mixed liquids to 100ml or less.

Will security confiscate my creatine? Almost never, as long as it's legal and reasonably packaged. The most likely outcome for a large tub of powder is a quick separate scan or, occasionally, an opened container and a swab.

Do I need a prescription or documentation? No. Creatine is a standard over-the-counter dietary supplement and needs no paperwork.

Is checked or carry-on better? Carry-on keeps your supplements with you and safe from lost luggage. Checked baggage is the path of least resistance for large powder containers. For most travellers, capsules in the carry-on plus any bulk powder in checked luggage is the sweet spot.

Know your rights when the journey doesn't go to plan

You've sorted your gym bag — but the part of travel you can't pack for is the flight itself. Delays, cancellations and missed connections happen, and when they do, the rules work in your favour more often than people realise.

If you're flying from an EU airport, or into the EU on an EU-based airline, and your flight is significantly delayed or cancelled, you may be entitled to compensation — currently up to €600 per passenger, depending on the distance of your flight and the circumstances of the disruption. This is separate from any refund, and it applies even if your ticket was cheap.

The catch is that the process can be slow and the rules are full of exceptions, which is exactly why so many eligible passengers never claim what they're owed. That's where Flight Delayed comes in: we check your eligibility in minutes, handle the paperwork and deal with the airline on your behalf — on a no-win, no-fee basis.

So pack your creatine, hit the gym on holiday, and let us worry about the flight. Check your flight in under two minutes at Flight Delayed and find out if you're owed compensation.