What are the side effects of carnitine?

Side effects of carnitine include nausea, vomiting, diarrhea, abdominal cramps and a fishy-smelling body odor. This can occur at doses of around 3 grams (g) a day.

Less common side effects include muscle weakness in those with kidney problems and seizures in people with seizure disorders.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.