Can You Bring Creatine on a Plane?

Direct Answer (2026 Official Rules)

Cabin: ✓ YES Hold: ✓ YES

Yes — you can bring creatine on a plane in your carry-on luggage. ≤ 12 oz (350 ml) powder: fine in carry-on, no extra steps.

Verified against published 2026 TSA (United States) & CATSA (Canada) security screening databases.

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⚖️ Why This Rule Exists: Statutory Medical Safeguards & 14 CFR Part 382 Accessibility Protections

Under federal aviation law and disability access regulations, medically necessary items, prescription pharmaceuticals, assistive equipment, and life-supporting supplies are granted explicit exemptions from standard baggage quotas and liquid volume limits to protect passenger health during travel.

Decision Threshold: Medically necessary liquids and assistive devices are exempt from 3-1-1 limits and baggage fee quotas in reasonable travel quantities.

Rules by security authority

United States — TSA

Cabin:

YES

Yes — but containers over 12 oz (350 ml) of powder go in a separate X-ray bin; unclearable powder may be disposed of.

Hold:

YES

Yes, any quantity is allowed in checked bags. Full-size tubs belong here.

Rule conditions: ≤ 12 oz (350 ml) powder: fine in carry-on, no extra steps> 12 oz (350 ml): place the container in a separate bin for X-rayPowders TSA can’t clear get thrown out — sealed/retail packaging clears fasterCATSA: powders are capped at 350 ml/g total in carry-on — check anything beyond a small supply

Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.

🔍 Security Checkpoint & X-Ray Screening Advice

Declare prescription liquids, CPAP machines, and injection supplies to the screening officer before screening starts. Keep medications in a separate pouch for rapid visual inspection.

Learn more about scanner differences and traveler rights in our Airport Security Screening Guide →

⚠️ Common Traveler Mistake to Avoid

The Mistake: Packing vital daily prescription medicines in checked luggage where they may be lost or delayed.

How to Avoid It: Always keep all prescription medications and critical health supplies in your personal item under the seat.

How to Pack Creatine / Protein Powder for a Flight

Portion scoops into zip bags or small jars (under 12 oz / 350 ml) and label them — an unlabeled bag of white powder is exactly what screening is designed to stop. Tubs go in checked luggage. Pre-mixed shakes and liquid supplements follow the 3.4 oz liquids rule in carry-on; dry powder never counts as a liquid. On the Canadian side the powder cap is a hard 350 ml/g total, so the checked bag is where the big containers belong.

Creatine / Protein Powder on a plane — FAQs

Can you bring Creatine in a carry-on?

Yes — but containers over 12 oz (350 ml) of powder go in a separate X-ray bin; unclearable powder may be disposed of.

Can you pack Creatine in checked luggage?

Yes, any quantity is allowed in checked bags. Full-size tubs belong here.

Why are there rules for creatine on a plane?

Can you bring creatine through TSA?

Yes. Creatine is a powder, not a liquid, so the 3.4 oz rule does not apply. Up to 12 oz (350 ml) passes normally; containers above that go in a separate X-ray bin for extra screening.

Does protein powder count as a liquid for the 3-1-1 rule?

No — dry powders are exempt from the liquids rule. They instead fall under the separate 12 oz / 350 ml powder-screening rule in the US and the 350 ml/g total limit in Canada.

Can I bring protein powder on an international flight?

Security treats it like any powder. Sealed retail packaging is the smooth route through both screening and customs at agricultural-strict destinations; unmarked bags of loose white powder invite questions everywhere.

Last verified: July 29, 2026

Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →