Aug 3, 2025 · Learn about the side effects of L-Carnitine (levocarnitine), from common to rare, for consumers and healthcare professionals.

When taken by mouth: L-carnitine is likely safe when taken for up to 12 months. It can cause side effects such as stomach upset, heartburn, diarrhea, and seizures.

Feb 1, 2025 · It is given to people whose body cannot properly use carnitine from their diet. Lack of carnitine can lead to liver, heart, and muscle problems. Your doctor may treat lack of …

Common side effects of Carnitor include nausea, vomiting, belly cramps, diarrhea, muscle weakness, and body odor. Carnitor has not been adequately studied in pregnant women. …

Nov 29, 2024 · For most people, taking 2 g or less per day is relatively safe and free from any serious side effects. However, some mild side effects like heartburn and indigestion are possible.

Nov 5, 2025 · This article explains current research about L-carnitine, including its benefits, effectiveness, and side effects.

Oct 16, 2025 · To minimize the risk of side effects, starting with a lower dose of L-Carnitine and gradually increasing it can be helpful. Taking the supplement with food may also reduce …

Learn more about L-carnitine health benefits, uses, side effects, effectiveness, safety, precautions, and warnings

Jan 28, 2025 · Levocarnitine is used to treat or prevent low levels of carnitine, which is important for making energy. Levocarnitine works by acting as a replacement for carnitine. The most …

Dec 10, 2025 · The researchers found that L-carnitine significantly decreased the rate of mortality, ventricular arrhythmias, and new-onset angina, regardless of dose or duration of …