HealthJuly 16, 2026

carnitine

/ˈkɑːrnɪˌtiːn/

Definition

A naturally occurring amino acid derivative that plays a critical role in cellular energy production by transporting fatty acids into the mitochondria to be burned for fuel.

Etymology

Derived from the Latin 'carnis', meaning 'flesh', because the compound was first isolated from meat in the early 20th century.

In the news

In this article, the author identifies a carnitine deficiency as a potential contraindicator for the ketogenic diet, as this compound is essential for the body to successfully process fats and achieve the state of ketosis.

Can a 100-Year-Old Diet Help Treat Severe Mental Illness? What the Evidence Shows

Read the full article ↗

Medscape

Related words

Learn a word like this every day

Meet one new word every morning.

Newspoken pulls one carefully chosen word from the day’s news — with a clear definition, context, and light review that makes it stick. Get it on your phone.

Not for marketing. One email on launch day.