Supplement Scholar
Amino Acid

NAC (Post-Use Recovery)

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Harm-reduction information. This page is not an endorsement of alcohol or drug use. Illegal drugs carry serious, unpredictable risks, and supplements cannot make them safe. In an emergency call 911; for confidential help call the SAMHSA National Helpline at 1-800-662-4357.

NAC (Post-Use Recovery). GSH precursor — supports glutamatergic rebalancing and oxidative stress recovery after stimulant or psychedelic use.

How it works. Restores cysteine/GSH and modulates glutamate via cystine-glutamate exchanger.

What the research supports. 1 graded claims. Strongest: Reduces cocaine and cannabis craving (RCTs) (moderate).

How much to take. Typical dose: 600–1200 mg BID.

Side effects and interactions. 1 medication interaction listed. No serious side effects listed at normal doses.

Stacking. Pairs well with A high-quality multivitamin, Omega-3 (EPA/DHA).

Common forms. Available as Free-form crystalline powder, Capsules or tablets, Pre-mixed recovery or hydration beverages, Time-release formulations.

Key studies. 8 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried NAC (Post-Use Recovery). Anecdotes are not medical advice.

NAC (Post-Use Recovery). GSH precursor — supports glutamatergic rebalancing and oxidative stress recovery after stimulant or psychedelic use.

Key compound: acetylcysteineC5H9NO3S · 163.20 g/mol

What it is

GSH precursor — supports glutamatergic rebalancing and oxidative stress recovery after stimulant or psychedelic use.

Food sources

Dietary protein from animal sources (meat, fish, eggs, dairy) and plant sources (soy, legumes, grains)Free-form amino acid powders and capsulesTargeted pre-workout, recovery, or sleep formulations

Goals

Post-Drug Use RecoveryPost-Drinking RecoveryMood & Anxiety

How it works

Restores cysteine/GSH and modulates glutamate via cystine-glutamate exchanger.

Pathways

  • Restores cysteine/GSH
  • modulates glutamate via cystine-glutamate exchanger

Effects

  • ↓cocaine and cannabis craving (RCTs) decreases

What the research supports

Reduces cocaine and cannabis craving (RCTs)moderate

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
600–1200 mg BID
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodOptional
Best formMost evidence is based on the free-form crystalline powder form.
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Side effects & interactions

Common side effects

  • Sulfur burps

Medication interactions

Prescription medications (general)minor

Always disclose NAC (Post-Use Recovery) use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
  • Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.

Common forms

  • Free-form crystalline powder
  • Capsules or tablets
  • Pre-mixed recovery or hydration beverages
  • Time-release formulations

Key studies

8 studies cited in total.

NAC for substance-use disorders: a meta-analysis ↗
Meta-analysis · Subst Abus · 2014

Reduced cravings across multiple substances.

PubMed: NAC (Post-Use Recovery) — Reduces cocaine and cannabis craving ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching NAC (Post-Use Recovery) and "Reduces cocaine and cannabis craving". Filter by RCT, meta-analysis, or year on the results page.

PubMed: NAC (Post-Use Recovery) — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching NAC (Post-Use Recovery) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

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