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

Tips to Maximize Your Results To maximize your results, pair your creatine consumption with a resistance training regimen that has enough intensity and frequency to promote future strength gains. —Sherri Gordon, Health, 1 Oct. 2025

While your body naturally produces some creatine, can maximizing on it really deliver the benefits influencers are claiming? —Brittney Melton, NPR, 5 Sep. 2025

At least one study found that vegetarians have similar brain creatine levels as meat-eaters—likely because the brain relies mainly on its own natural creatine production, rather than food sources. —Matt Fuchs, Time, 2 Sep. 2025

While that is not a high amount of creatine, eating shrimp can contribute to your daily creatine intake. —Lana Barhum, Verywell Health, 28 Aug. 2025

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

Rhymes for creatine

• aten
• clayton
• satan
• statin
• straighten

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