Supplement Scholar
Amino Acid

ALCAR (Pre-Drinking)

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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.

ALCAR (Pre-Drinking). Mitochondrial cofactor that may reduce acetaldehyde-induced oxidative stress.

How it works. Shuttles fatty acids into mitochondria; supports redox balance during ethanol oxidation.

What the research supports. 1 graded claims. Strongest: Improves hepatic function markers in alcoholic liver disease (limited).

How much to take. Typical dose: 500–1000 mg pre-drinking.

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

Stacking. Pairs well with Milk thistle (silymarin), NAC.

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 ALCAR (Pre-Drinking). Anecdotes are not medical advice.

ALCAR (Pre-Drinking). Mitochondrial cofactor that may reduce acetaldehyde-induced oxidative stress.

Molecular structureC9H17NO4 · 203.24 g/mol

What it is

Mitochondrial cofactor that may reduce acetaldehyde-induced oxidative stress.

Also called

Acetyl-L-Carnitine

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

Pre-Drinking SupportPost-Drinking RecoveryLiver Health

How it works

Shuttles fatty acids into mitochondria; supports redox balance during ethanol oxidation.

Pathways

  • Shuttles fatty acids into mitochondria
  • supports redox balance during ethanol oxidation

Effects

  • +hepatic function markers in alcoholic liver disease supports

What the research supports

Improves hepatic function markers in alcoholic liver diseaselimited

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
500–1000 mg pre-drinking
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

  • Fishy odor (high dose)

Medication interactions

Prescription medications (general)minor

Always disclose ALCAR (Pre-Drinking) 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

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.

PubMed: ALCAR (Pre-Drinking) — Improves hepatic function markers in alcoholic liver disease ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching ALCAR (Pre-Drinking) and "Improves hepatic function markers in alcoholic liver disease". Filter by RCT, meta-analysis, or year on the results page.

PubMed: ALCAR (Pre-Drinking) — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching ALCAR (Pre-Drinking) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

PubMed: ALCAR (Pre-Drinking) — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching ALCAR (Pre-Drinking) and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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