SAFE

Acetyl-L-Carnitine (ALCAR)

acetyl-l-carnitine
Possibly Safe V1 Verified
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Upper Safe Limit
Increases acetylcholine — caution with cholinergic drugs. Avoid with warfarin.
PubMed Studies
12
PubChem CID
About

Crosses blood-brain barrier (L-carnitine does not); acetyl group donated for acetylcholine synthesis; mitochondrial membrane stabilisation; neuroprotective; antioxidant

How it works (mechanism of action)

Used for cognitive function, memory, neuropathy and anti-ageing in French supplements. Superior to plain L-carnitine for brain health. Pileje, Nutergia, Solgar cognitive formulas.

👥 Safety by Population
PopulationSafety RatingMax Safe Dose
GeneralPossibly safeNot established
PregnancyPossibly safeNot established
ElderlyPossibly safeNot established
🚫 Contraindications & Warnings

Consult a healthcare professional before use if pregnant, breastfeeding, taking prescription medications, or if you have a medical condition. Keep out of reach of children.

Updated: 2026-04-11
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