You should know if taking a pre-workout supplement and exercising while flying to maximize your pre-flight workout is feasible. If you pack it in your carry-on rather than your checked bag, you may be able to bring your pre-workout drink on board with you.
You can find information in the Transportation Security Administration’s (TSA) policy regarding liquids and gels (a PDF file) about bringing your pre-workout drink on the plane with you.
Pre-workout beverages, amino acids, and other dietary supplements are allowed on planes, per this document. All that is required is that these items don’t exceed the size and safety restrictions set by the TSA. The following is stated in the document:
Carry-on bags are permitted an unlimited number of 3-ounce containers of liquids, gels, and the like. Each container has a TSA-mandated weight limit of less than 3 fluid ounces.
Later in the document, it is clear that gels of up to 3 ounces (100 mL) in size are permitted on board the aircraft. Those who want to save money on workout supplements at the airport should consider bringing their own on the plane.
Use a resealable plastic bag and portion out the supplement so that you don’t go over the TSA’s guidelines for container size.
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It’s also important to note that there are probably supplement travel restrictions, so you should look into that. When packing workout supplements for a trip, it’s also important to think about the following when choosing a pre-workout beverage:
The takeaway is that you can bring your pre-workout drink on the plane, but it has to be in your carry-on. If you need more information, refer to this document. Policy on liquids and gels, as outlined by the TSA.