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.
In the United States, dietary supplements are substances you eat or drink. They can be vitamins, minerals, herbs or other plants, amino acids (the individual building blocks of protein), or parts of these substances. They can be in pill, capsule, tablet, or liquid form.