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Exam Cost
120 min
Time
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Credits
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Passing
Unit 1: Pharmacology and Drug Classification
Unit 2: Alcohol Use and Abuse
Unit 3: Drugs and Society
Unit 4: Treatment and Prevention
Unit 5: Drug Policy and Law
The best free materials for DSST Substance Abuse. No affiliation, no kickback — just what actually works.
DANTES Fact Sheet
DANTES / PrometricOfficial DSST fact sheet with topic percentages and reading list.
NIDA — Drugs, Brains, and Behavior
NIH / NIDAOfficial science of addiction — aligned with DSST outline.
YouTube: NIDA / Psych Hub
YouTubeAddiction science, treatment, prevention.
Links open in a new tab. PrepLion has no affiliation with these providers — we just think they're the best free options.
DSST is a registered trademark of Prometric, which is not affiliated with PrepLion. All practice questions are original content.