### Question
How does the law define dietary supplement?


### Answer
Under *42 U.S.C. § 287c*, **dietary supplement** is defined as:

> given the term in section 321(ff) of title 21.

#### Citation:
  - *42 U.S.C. § 287c*
  - Heading: **CHAPTER 6A-PUBLIC HEALTH SERVICE > SUBCHAPTER III-NATIONAL RESEARCH INSTITUTES > Part E-Other Agencies of NIH > subpart 4-office of dietary supplements**

