Melatonin for jet lag in the UK: NHS and licence terms
Melatonin for jet lag in the UK is prescription-only. The NHS page and two jet-lag SmPCs, read side by side: 4 or 5 days, 3mg or 6mg, 8pm to 4am.
Travel
Can you buy melatonin over the counter in the UK? The routes
No. The NHS calls melatonin prescription-only, and so does the MHRA. Every UK route, from the counter to a private prescriber, read and dated.
Can I bring melatonin into the UK from abroad? The rules
gov.uk's travel-medicine conditions, the controlled drugs list and the NHS prescription-only status, read on 20 September 2026 and set side by side.