🧂 Powder Screening Rules Checker Preset
Protein Powder on a Plane: 350 ml (12 oz) TSA Powder Rule
Screening Determination
Over 350 ml in Carry-On — Secondary Screening Required
Evaluated against the TSA 350 ml (12 oz) enhanced screening protocol
⚠ Secondary Screening Required if > 350 ml
Screening Instructions & Container Thresholds
Protein powder is permitted in both carry-on and checked luggage. However, containers over 350 ml (12 oz / ~350g) in carry-on are subject to mandatory separate screening and chemical trace detection at US TSA checkpoints. Checked bags have no quantity limit.
Governing Standard: TSA Enhanced Security Measures for Powders TSA Security Screening: Powder Substances ↗
Related Verified Products
Deep dive: Powders and solids screening guidelines
Read airport powder inspection rules and international customs declarations.
Frequently Asked Questions
Can I bring an empty shaker bottle with powder inside through TSA?
Yes, if the powder is under 350 ml (12 oz) it passes smoothly. If over 12 oz, remove the shaker from your bag and place it in a separate bin for X-ray.