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 products delivered almost no creatine at all, while others delivered a solid dose but with signs of breakdown. —Samantha Agate, Kansas City Star, 16 June 2026

The general recommendation is 3 to 5 grams of creatine per day, according to Harvard Health. —Samantha Agate, Miami Herald, 16 June 2026

Although creatine gummies and powders contain the same active ingredients, there are important differences between them. —Jillian Kubala, Health, 10 June 2026

At the same time, many fears surrounding creatine are not strongly supported by current evidence. —Daryl Austin, USA Today, 26 May 2026

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