creatine

noun

cre·​a·​tine ˈkrē-ə-ˌtēn 

-tᵊn

: a white crystalline nitrogenous substance C₄H₉N₃O₂ found especially in the muscles of vertebrates either free or as phosphocreatine

also : a synthetic usually hydrated form of creatine taken especially as a dietary supplement

Examples of creatine in a Sentence

Recent Examples on the Web

Some, but not all, research suggests creatine may have a beneficial effect on brain function. —Kelsey Kunik, Rd, Verywell Health, 25 Sep. 2024

Most of the body’s creatine stores are in muscle, the brain also uses creatine. —Kelsey Kunik, Rd, Verywell Health, 25 Sep. 2024

Your muscles already have a certain amount of creatine. —Merve Ceylan, Health, 23 Sep. 2024

Not satisfied with that explanation, Foster had some bloodwork done that showed wildly elevated creatine levels. —Ben Bolch, Los Angeles Times, 11 Sep. 2024

Word History

Etymology

French créatine, from Greek kreat-, kreas flesh — more at raw

First Known Use

1840, in the meaning defined above

Phrases Containing creatine

• creatine kinase
• creatine phosphate

Medical Definition

creatine

noun

cre·​atine ˈkrē-ə-ˌtēn, -ət-ᵊn 

: a white crystalline nitrogenous substance C₄H₉N₃O₂ found especially in vertebrate muscle either free or as phosphocreatine