Can I take Calcium Citrate with Carnitine?

Understanding the interactions, benefits, and safety of combining these two powerful supplements.

Calcium Citrate
+
Carnitine

Short answer

We found no documented interaction between Calcium 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.

Calcium

What it is: The body's most abundant mineral; it builds bones and teeth and helps muscles, nerves and blood vessels work.

What the research says: Calcium supports bone health, especially when diet falls short. Vitamin D helps the body absorb it.

Cautions

  • Upper limit from all sources: 2,500 mg a day for adults 19 to 50, and 2,000 mg from age 51.
  • Some research links very high intakes to heart disease and prostate cancer risk.

Medicines to check

  • Levothyroxine (thyroid medicine): keep doses apart
  • Quinolone antibiotics: keep at least 2 hours apart
  • Dolutegravir (HIV medicine) and lithium

In Holitro: Calcium Citrate (160 mg per capsule)

Source: NIH Office of Dietary Supplements: Calcium: Fact Sheet for Consumers (updated September 2023)

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 β€” 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.

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