Do I have to declare dietary supplements and sports nutrition at United States customs?

No — within the allowance it passes without a declaration.

What happens if I do not declare dietary supplements and sports nutrition in United States?

Under 19 CFR 148.102, if you declare the excess yourself: a flat-rate charge is applied to the excess; the normal duty becomes payable on the excess. Under 19 CFR 148.18, if the goods are found without being declared: the goods are confiscated; an administrative fine is imposed. Under 19 U.S.C. 1497: the goods are confiscated; an administrative fine is imposed.

Can I post or ship dietary supplements and sports nutrition to United States instead of carrying it?

Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.

Can I take dietary supplements and sports nutrition out of United States?

United States publishes no separate rule for taking dietary supplements and sports nutrition out; the destination's rules are what will apply.

Does the United States limit for dietary supplements and sports nutrition apply per person or per family?

Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.

Where does this rule come from?

U.S. Customs and Border Protection states it in Personal Importation. CarryRules last confirmed that sentence at the source on 2026-09-19.

How does United States compare with other countries on dietary supplements and sports nutrition?

Of the 20 countries covered here, 0 prohibit dietary supplements and sports nutrition, 5 limit it and 15 let it through. United States is among the more permissive.

How much Dietary supplements and sports nutrition can I bring into United States?

Allowed

You can bring Dietary supplements and sports nutrition into United States without a special limit.

Cabin baggage —

Checked baggage —

Declaration Not required

Limit No stated quantity

What you need to know

No stated quantity
Channels: Carried with the traveler

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-19

Personal Importation U.S. Food and Drug Administration

Questions about Dietary supplements and sports nutrition in United States

Do I have to declare dietary supplements and sports nutrition at United States customs?: No — within the allowance it passes without a declaration.
What happens if I do not declare dietary supplements and sports nutrition in United States?: Under 19 CFR 148.102, if you declare the excess yourself: a flat-rate charge is applied to the excess; the normal duty becomes payable on the excess. Under 19 CFR 148.18, if the goods are found without being declared: the goods are confiscated; an administrative fine is imposed. Under 19 U.S.C. 1497: the goods are confiscated; an administrative fine is imposed.
Can I post or ship dietary supplements and sports nutrition to United States instead of carrying it?: Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.
Can I take dietary supplements and sports nutrition out of United States?: United States publishes no separate rule for taking dietary supplements and sports nutrition out; the destination's rules are what will apply.
Does the United States limit for dietary supplements and sports nutrition apply per person or per family?: Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
Where does this rule come from?: U.S. Customs and Border Protection states it in Personal Importation. CarryRules last confirmed that sentence at the source on 2026-09-19.
How does United States compare with other countries on dietary supplements and sports nutrition?: Of the 20 countries covered here, 0 prohibit dietary supplements and sports nutrition, 5 limit it and 15 let it through. United States is among the more permissive.

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Controlled substances for personal medical use (schedules II-V) Controlled/prescription medicine External-use medicine (personal use) Medicine containing stimulant raw materials Medicines containing narcotic or psychotropic substances Narcotic and psychotropic medicines