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Fat

Medium-chain Triglycerides

Medium-chain triglycerides (MCTs) are fats built from fatty acids with 6 to 12 carbon atoms. They occur in coconut and palm kernel oil, and MCT oil is made from them.

Also listed as MCTs, MCT oil, medium-chain fatty acids

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What side effects occur?

A 2026 systematic review of 33 studies found diarrhea, abdominal discomfort, and nausea to be the main adverse effects. Some reactions caused treatment withdrawal, especially at higher doses. Long-term tolerance was poorly studied. 1

Can it replace every dietary fat?

MCT oil does not supply essential fatty acids, so it cannot be the sole long-term fat source. 2

For information, not individual medical advice. Ingredient studies do not establish the effectiveness of these products.

Sources