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 brief: Dietary supplement. The food ; drug administration (fda) does not approve of any dietary supplements, nor is there any need to prove safety ; efficacy prior to marketing w/any number of miraculous claims. In fact, there is no mandatory 3rd party oversight.