CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER D—DRUGS FOR HUMAN USE (parts 300 to 370) > PART 340—STIMULANT DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE > SUBPART A—General Provisions (§340.1 to §340.3) > 340.3—Definition.

340.3—Definition.

As used in this part:
Stimulant. A drug which helps restore mental alertness or wakefulness during fatigue or drowsiness.