Goods Across Borders · Customs rule card
Insulin → United States
Purpose: Traveling · Verified: 2026-07-25
Personal supplies with prescription generally permitted
Details
The US allows travelers to bring personal insulin supplies with a valid prescription. TSA permits insulin, syringes, and pump supplies through security with notification. Insulin does not need to be in the 3-1-1 liquids bag. Keep medication and devices together for easy inspection. In the reverse direction (taking insulin out of United States): allowed — Insulin may be exported from United States freely for personal use with prescription documentation; the practical constraints are cold-chain and needles.
Quantity limit
Personal supply
Documentation required
- Prescription
- Doctor's letter recommended
Legal reference
FDA personal importation policy, TSA medical exemption
Leaving with this item
Insulin may be exported from United States freely for personal use with prescription documentation; the practical constraints are cold-chain and needles.
Practical advice
No special procedure is required for personal quantities of insulin arriving in United States. Quantities above duty-free allowances must still be declared. Verify current limits with U.S. Customs and Border Protection (CBP).
Customs authority
U.S. Customs and Border Protection (CBP) · https://www.cbp.gov