Health Guide
Drug Guide


What is it?

Acetyl-L-carnitine is a dietary supplement used to improve memory, such as in Alzheimer's disease. Acetyl-L-carnitine may improve depression. Other uses for acetyl-L-carnitine include the treatment of Parkinson's disease, stroke, and Peyronie's disease.

Other names for acetyl-L-carnitine include: acetyl-levocarnitine, acetylcarnitine, l-acetylcarnitine, levacecarnine, and ST-200.

Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.

Before Using:

Tell your doctor if you


Talk with your doctor, pharmacist, or nurse about how much acetyl-L-carnitine you should take. The amount depends on the strength of the medicine and the reason you are taking acetyl-L-carnitine. If you are using this medicine without instructions from your caregiver, follow the directions on the label. Do not take more acetyl-L-carnitine or take it more often than what is written on the directions.

To store this medicine:

Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.

Drug and Food Interactions:

Do not take acetyl-L-carnitine without talking to your doctor first.


Side Effects:

Stop taking your medicine right away and talk to your doctor if you have any of the following side effects.

Other Side Effects:

You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.


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2. Arrigo A, Clano E, Casale R et al: The effects of L-acetylcarnitine on reaction times in patients with cerebrovascular insufficiency: a double-blind cross-over study. Clin Trials J 1988; 25(suppl 1):47-56.

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7. Montgomery SA, Thal LJ, & Amrein R: Meta-analysis of double blind randomized controlled clinical trials of acteyl-L-carnitine versus placebo in the treatment of mild cognitive impairment and mild Alzheimer's disease. Int Clin Psychopharmacol 2003; 18:61-71.

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10. Sinforiani E, Iannuccelli M, Mauri M et al: Neuropsychological changes in demented patients treated with acetyl-L-carnitine. Int J Clin Pharmacol Res 1990; 10(1-2):69-74.

Last Updated: 9/15/2016

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