The criminal offense of bringing into, or removing from, a country those items that are prohibited or upon which customs or excise duties have not been paid. Smuggling is the secret movement of goods across national borders to avoid Customs Duties or import or export restrictions.
Definition of dietary supplement. : a product taken orally that contains one or more ingredients (as vitamins or amino acids) that are intended to supplement one's diet and are not considered food.
Dietary supplements are regulated by the U.S. Food and Drug Administration (FDA). The FDA regulates dietary supplement marketing, ingredient safety and manufacturing. The industry itself has established several third party organizations that independently monitor and verify product quality.