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Condition

Substance Use Disorder

Substance use disorder is a medical condition in which people keep using alcohol or drugs despite harm, because reward, stress, and self-control circuits in the brain have been altered. Among supplements, N-acetylcysteine has drawn the most attention, and trials in people dependent on cocaine found their addiction symptoms improved. Only two small studies, covering about 245 people, back this up, so the evidence is limited.

Sources: PMID 16449100; PMID 28898494

Supplements studied
1
Graded outcomes
1
People studied
245

Evidence by supplement

  • Strong
  • Moderate
  • Limited
  • Very limited

1 supplement

N-Acetylcysteine: outcomes studied for Substance Use Disorder
GradeOutcomeEffectSizeStudiesPeopleStudies list
Cocaine Addiction Symptoms

Small Improvement

Improves (the measure goes down)Small effect2 studies245 people
Tobacco Addiction SymptomsImproves (the measure goes down)1 study245 people

Studies that measured tobacco addiction symptoms

Key findings

  • Cocaine Addiction SymptomsN-AcetylcysteineImproves (the measure goes down)

The Substance Use Disorder Supportive Care protocol

2 primary supplements · 8 supporting supplements

See the full protocol

Studies cited

3 studies from PubMed

  1. N-acetylcysteine in the treatment of craving in substance use disorders: Systematic review and meta-analysis.Am J Addict · PMID 28898494
  2. The role of cystine-glutamate exchange in nicotine dependence in rats and humansBiol Psychiatry · PMID 19103434
  3. Safety and tolerability of N-acetylcysteine in cocaine-dependent individualsAm J Addict · PMID 16449100