creatine

noun

cre·​a·​tine ˈkrē-ə-ˌtēn How to pronounce creatine (audio)
-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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Combining creatine with resistance training, such as push-ups, sit-ups, and crunches, can provide more health benefits.8 Vegetarians may also benefit from taking creatine. Health, 17 June 2025 In a small pilot study, his team found that taking 20 grams of creatine daily for eight weeks was safe and boosted the creatine in participants’ brains. Staff Author Published, Verywell Health, 11 June 2025 What To Know In the study, patients with Alzheimer's disease took 20 grams of creatine monohydrate for eight weeks. Suzanne Blake, MSNBC Newsweek, 26 May 2025 But the patients who took creatine on top of their therapy were doing better still. Dylan Scott, Vox, 25 Apr. 2025 See All Example Sentences for creatine

Word History

Etymology

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

First Known Use

1840, in the meaning defined above

Time Traveler
The first known use of creatine was in 1840

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Cite this Entry

“Creatine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/creatine. Accessed 30 Jun. 2025.

Medical Definition

creatine

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

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