TSA item rule · verified 2026-07-02
Can you bring vitamins, protein powder & supplements on a plane?
TSA's official answer, checked against tsa.gov on 2026-07-02.
Carry-on bag limits apply
Pills and capsules — no limit. Powders over 12 oz (350 ml) go in a separate bin for X-ray, and if screening can't resolve them they won't fly — TSA itself suggests putting big tubs in checked bags.
Checked bag yes
The easy answer for full-size protein tubs.
Liquids, gels and aerosols in carry-on follow the TSA 3-1-1 rule. The final decision always rests with the TSA officer at the checkpoint.
Source: TSA — What Can I Bring? · checked 2026-07-02
Related: medication · food snacks
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Common questions
Can you bring vitamins, protein powder & supplements in a carry-on?
Pills and capsules — no limit. Powders over 12 oz (350 ml) go in a separate bin for X-ray, and if screening can't resolve them they won't fly — TSA itself suggests putting big tubs in checked bags.
Can you bring vitamins, protein powder & supplements in checked baggage?
The easy answer for full-size protein tubs.