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Medically reviewed by Last updated on July 22, 2019.

What are other common names?

  • Aminocarnitine
  • B Factor
  • Carnitina
  • Carnitor
  • D-Carnitine
  • DL-Carnitine
  • Karnitin
  • L-Carnitine
  • L-Carnitine Fumarate
  • L-Carnitine L-Tartrate
  • L-Carnitine Tartrate
  • Levocarnitine
  • Levocarnitine Fumurate
  • ST-198
  • Vitacarn
  • Vitamin B
  • Vitamine B

What is this product used for?

Carnitine is used to help keep blood levels normal in people who are born with carnitine problems.

What are the precautions when taking this product?

  • Always check with your doctor before you use a natural product. Some products may not mix well with other drugs or natural products.

  • This product may interfere with some lab tests. Be sure to talk with your doctor about this and all drugs you are taking.

  • This product may not work as well if you are taking drugs for seizures. These are drugs like carbamazepine (Tegretol), phenobarbital, phenytoin (Dilantin), or valproic acid (Depakene).

  • Take extra care and check with your doctor if you have:

    • Blood sugar problems

    • Heart disease

    • Blood vessel problems

    • Cholesterol problems

    • Kidney problems

    • Seizures

What should I watch for?

  • Upset stomach

  • Stomach cramps

  • Heartburn

  • Fishy odor in urine, breath, and sweat

  • Feeling nervous

When do I need to call the doctor?

  • Signs of a very bad reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; seizures; swelling of face, lips, tongue, or throat. Go to the ER right away. Go to the ER right away.

  • Signs of low blood sugar. These include hunger, dizziness, shaking, a fast heatbeat, confusion, or sweating.

  • Very bad throwing up

  • Very bad belly pain

  • Very bad loose stools

  • Trouble sleeping

  • Muscle weakness

  • Seizures

Last Reviewed Date


Consumer information use

This information is not specific medical advice and does not replace information you receive from your healthcare provider. Only your healthcare provider has the knowledge and training to provide advice that is right for you. You should not rely on this information in deciding whether or not to use, or accept your healthcare provider’s advice regarding use of, any natural products or similar treatments, therapies, or life-style choices. This information does not endorse any natural products or similar treatments, therapies, or life-style choices as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information. It does NOT include all information about natural products, possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to you. You must talk with your healthcare provider for complete information about your health and treatment options.


Further information

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