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

Supplementing with creatine may also be beneficial, but talk to your doctor for guidance.9 A Quick Review Hypertrophy (muscle growth) requires time, commitment, and consistency and includes a training plan that features both weight lifting and cardio, as well as rest and adequate nutrition. —Sherri Gordon, Health, 18 Mar. 2025

For the duration of the 40-day shoot, Majors worked with four trainers to stay at the same level of muscularity that professional bodybuilders attain on the day of a competition, eating 6,000 calories a day along with creatine supplements and lifting weights before walking into a scene. —Rebecca Keegan, The Hollywood Reporter, 14 Mar. 2025

The body tightly regulates creatine, so creatine levels will never drop below baseline. —Melissa Nieves, Verywell Health, 13 Mar. 2025

Some, like creatine, have been shown to boost muscle mass and strength. —Katie Camero, NBC News, 21 Feb. 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