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

Ingredients such as creatine and beta-alanine generally work through consistent use over time, not by getting into your system as quickly as possible. — Dr. Onaola Adedeji, ABC News, 13 Aug. 2026

Some experts recommend loading up on creatine initially by taking 20 grams split throughout the day for 5-7 days. — Isabel Vasquez Rd Ldn, Health, 30 July 2026

Second, fueling the cellular engine with proper nutrition, like complex carbs, and considering supplements like creatine, alongside hormonal rhythms. — Luciana Paulise, Forbes.com, 23 July 2026

Research suggests creatine may help support healthy aging by preserving muscle function when paired with regular exercise. — Sara Hoffman, Verywell Health, 20 July 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