Performance-Enhancing Substances

**Definition:** Agents that improve the ability to carry out activities such as athletics, mental endurance, work, and resistance to stress. The substances can include PRESCRIPTION DRUGS; DIETARY SUPPLEMENTS; phytochemicals; and ILLICIT DRUGS.

**Tree numbers:** - D27.505.696.620

**Synonyms:** - Performance-Enhancing Substance - Ergogenic Substance - Ergogenic Substances