Goods Across Borders · Customs rule card
Melatonin → Canada
Purpose: Traveling · Verified: 2026-05-13
Natural health product; available OTC
Details
Health Canada regulates melatonin as a Natural Health Product (NHP) under the Natural Health Products Regulations. Travelers may bring up to a 3-month personal supply without a Product Licence, in original labelled packaging. Doses above 10 mg per unit require professional-pharmacy designation; travel import remains unrestricted for ordinary retail doses.
Quantity limit
Personal use
Legal reference
Natural Health Products Regulations
Practical advice
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.
Customs authority
Canada Border Services Agency (CBSA) · https://www.cbsa-asfc.gc.ca