Short answer

We found no documented interaction between Alpha-lipoic acid and Carnitine in the sources below. That isn't proof the combination is right for you: check each one's cautions, and ask your pharmacist if you take medication.

Alpha-lipoic acid

What it is: An antioxidant the body makes and uses to produce energy.

What the research says: It's used for diabetic nerve pain, and studies suggest it can improve insulin sensitivity.

Cautions

• It can cause nausea, vomiting and low blood sugar.
• Rare cases of a condition causing sudden low blood sugar have been reported.

Medicines to check

• Diabetes medicines: it can lower blood sugar further

In Holitro: Alpha Lipoic Acid (500 mg per capsule)

Source: Memorial Sloan Kettering Cancer Center, About Herbs: Alpha-Lipoic Acid (updated July 2026)

Carnitine

What it is: A nutrient the body makes and gets from meat; it helps turn food into energy.

What the research says: Healthy people make all they need. Results for dementia and other conditions are mixed.

Cautions

• 3 g a day or more can cause nausea, cramps, diarrhea and a fishy body odor.
• High amounts may cause muscle weakness in kidney disease and raise seizure risk in people with seizure disorders.

Medicines to check

• Some anti-seizure medicines (phenobarbital, valproic acid) and long-term use of some antibiotics can lower carnitine levels

In Holitro: Carnitine (500 mg per capsule)

Source: NIH Office of Dietary Supplements: Carnitine: Fact Sheet for Consumers (updated May 2023)

Check with your doctor or pharmacist, especially if you take medication.

Check your stack — free

Educational information only, not medical advice. This reflects general ingredient overlap, not a personalized safety review. Always check with your doctor or pharmacist before combining supplements, especially if you take medication, are pregnant or nursing, or manage a health condition. These statements have not been evaluated by the FDA.