What is it?
L-carnitine is an amino acid used as a supplement for heart disease, athletic performance, weight loss, chronic fatigue, and poor circulation (also called intermittent claudication). L-carnitine may also be used to decrease the amount of cholesterol, also called fat, in your blood.
Other names for L-carnitine include: levocarnitine.
Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.
Tell your doctor if you ...
- are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
- are pregnant or plan to become pregnant while using this medicine
- are breast feeding
- have any other health problems, such as high blood pressure or heart or blood vessel disease
Talk with your doctor, pharmacist, or nurse about how much L-carnitine you should take. The amount depends on the strength of the medicine and the reason you are taking L-carnitine. If you are using this medicine without instructions from your caregiver, follow the directions on the label. Do not take more 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 Throw away medicine that is out of date or that you do not need.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 L-carnitine without talking to your doctor first if you are taking:
- Acenocoumarol (9,14)
- Before taking L-carnitine, tell your doctor if you are pregnant or breastfeeding
Stop taking your medicine right away and talk to your doctor if you have any of the following side effects.
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing, or rash.
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.
- Diarrhea and nausea (2,15)
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Last Updated: 3/4/2018