Before revision: In the United States, the Dietary Supplement Health and Education Act (DSHEA) of 1994 defined the term "dietary supplement": “ A dietary supplement is a product taken by mouth that contains a 'dietary ingredient' intended to supplement the diet.
After revision: In the United States, the Dietary Supplement Health and Education Act (DSHEA) of 1994 defined the term "dietary supplement": " A dietary supplement is a product taken by mouth that contains a 'dietary ingredient' intended to supplement the diet.