Melatonin 🇺🇸 United States
OTC dietary supplement; no restrictions
Can I bring Melatonin into United States?
OTC dietary supplement; no restrictions
Full details
Melatonin is sold over-the-counter as a dietary supplement in the United States and is not regulated as a controlled substance. Travelers may carry personal-use quantities (typically 30-90 day supply) in carry-on or checked baggage without prescription; FDA does not require declaration for finished dietary supplements. International travelers should keep products in original retail packaging — bulk-loose tablets without manufacturer labelling may attract CBP scrutiny under the dietary supplement adulteration rules.
Rare — Enforcement reported rarely.
Leaving United States with melatonin
Melatonin is an over-the-counter dietary supplement in United States and other jurisdictions (US, Canada, most of Asia) — freely exportable. Note that melatonin is a prescription-only medicine in some destinations (UK, EU generally, Australia, Japan), meaning arrival-side import may face restrictions even though departure is unrestricted. Personal-use quantities do not attract customs attention on departure.
Personal-quantity melatonin (OTC supplement) clears as routine in destinations where it is OTC. In prescription-only markets (e.g. UK, France, Germany), declare with prescription if asked.
Personal use
DSHEA (Dietary Supplement Health and Education Act)
This page covers destination customs rules in United States. Whether you can carry melatonin through security, in carry-on, or in checked baggage depends on airline and screening rules — see air travel rules.
Related rules
Melatonin rules in other countries
Melatonin
🇬🇧 United Kingdom
Prescription-only medicine in the UK. Personal import for own use is permitted but regulated.
Melatonin
🇦🇪 United Arab Emirates
Regulated medicine. Personal import requires original packaging and ideally a prescription.
Melatonin
🇦🇺 Australia
Low-dose OTC; higher doses prescription-only
Melatonin
🇯🇵 Japan
Not sold in Japan — personal import permitted
Melatonin
🇩🇪 Germany
Classified as a medicinal product — prescription recommended
Melatonin
🇨🇦 Canada
Natural health product; available OTC