✋ Hand luggage
Permitted. Over-the-counter supplement, no restrictions.
🧳 Hold luggage
Permitted.
Based on TSA guidance for United States. Official rules ↗
Melatonin rules by country
How carry-on and checked-bag rules for melatonin compare across the 14 countries we cover.
Melatonin
Common questions
Yes. Melatonin tablets are a solid supplement with no liquid restrictions and are permitted in carry-on everywhere.
No. It is prescription-only in Australia, New Zealand, Germany and several other countries. You can still fly with it, but you may need to declare it at customs and could face quantity restrictions.
A personal supply for the duration of your trip (typically up to 90 days) is usually permitted without issue, but check destination country rules.
Related items
Browse all Medical →Based on official United States security guidelines. Rules vary by airline and route — always verify with your carrier before travel. · Rules last verified May 2026.