In the United States, based on Wikipedia, a dietary supplement is defined under the Dietary Supplement Health and Education Act of 1994 (DSHEA) as a product that is meant to add to the diet plan and possesses the following dietary ingredients: a vitamin, a mineral, an herb or other botanical (excluding tobacco), an amino acid, a dietary compound for usage by consumers to supplement the diet by raising the total dietary consumption or a concentrate, extract, constituent, metabolite, and combination of the above.