### Question
How is the "anabolic steroid" defined?


### Answer
The term **anabolic steroid** is defined in *21 CFR § 1300.01* as follows -

> any drug or hormonal substance, chemically and pharmacologically related to testosterone (other than estrogens, progestins, and corticosteroids) that promotes muscle growth, and includes:

(i) Boldenone;

#### Citation:
  - *21 CFR § 1300.01*
  - Heading: **Title 21-Food and Drugs > PART 1300—DEFINITIONS**

