carnitine

noun
car·​ni·​tine | \ˈkär-nə-ˌtēn \

Definition of carnitine 

: a quaternary ammonium compound C7H15NO3 that is present especially in vertebrate muscle, that in the levorotatory form is involved in the transfer of fatty acids across mitochondrial membranes, and in humans is obtained from food (such as meat or milk) or is synthesized chiefly in the liver and kidneys from a lysine derivative

Examples of carnitine in a Sentence

Recent Examples on the Web

But, most importantly, it’s filled with L-carnitine, which, just like caffeine, can temporarily minimize the appearance of cellulite, thanks to its fat-dehydrating properties. Chloe Metzger, Marie Claire, "Because You’ve Been Wondering: Do Skin-Firming Creams Really Work?," 24 Oct. 2017 The heart muscle, specifically, supplies critical amino acids like carnitine and taurine. + Chicken gizzards. Marygrace Taylor, Good Housekeeping, "4 Holistic Vets Reveal Exactly What They Feed Their Dogs," 5 Apr. 2017 Parliamentary committee recommends the British General Medical Council investigate an L-carnitine injection given to Farah in 2014. Ken Goe, OregonLive.com, "What did David Ribich say to Centro at the USATF Champs? Oregon track & field rundown," 6 Mar. 2018 Sir Mo Farah, who has won four Olympic long-distance titles, received an unrecorded quantity of L-carnitine, a supplement that is legal only in small amounts, before the London marathon in 2014. The Economist, "Faster, stronger...higher?British athletes may have won thanks to drugs, a report suggests," 6 Mar. 2018 The Sunday Times reported Salazar’s fascination with infusions of l-carnitine, which is an amino acid that is not banned by USADA but infusions of more than 50 milliliters are prohibited. Chris Chavez, SI.com, "Alberto Salazar's response—and the legal implications—of leaked USADA reports," 26 May 2017 The report alleges Ritzenhein received a larger L-carnitine infusion than is allowed because of the amount of time the infusion took. Ken Goe, OregonLive.com, "Quick takes from the latest story alleging doping within Alberto Salazar's Oregon Project," 19 May 2017 As previously reported by The Times of London, the report also said that Galen Rupp, an Olympic silver medalist, and Mo Farah of Britain, one of the most successful runners in Olympic history, also received infusions of L-carnitine. Matt Hart, New York Times, "‘This Doesn’t Sound Legal’: Inside Nike’s Oregon Project," 19 May 2017 The nutraceutical, invented in 1997 by iconoclastic UC Berkeley biochemist Bruce Ames, is a patented combo of three common health-food store supplements: calcium, alpha lipoic acid, and acetyle l-carnitine. Joseph Portera, WIRED, "Nutrition," 1 Feb. 2003

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'carnitine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of carnitine

circa 1922, in the meaning defined above

History and Etymology for carnitine

International Scientific Vocabulary, from Latin carn-, caro

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Time Traveler for carnitine

The first known use of carnitine was circa 1922

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More Definitions for carnitine

carnitine

noun
car·​ni·​tine | \ˈkär-nə-ˌtēn \

Medical Definition of carnitine 

: a quaternary ammonium compound C7H15NO3 that is present especially in vertebrate muscle, is involved in the transfer of fatty acids across mitochondrial membranes, and in humans is obtained from food (as meat or milk) or is synthesized from a lysine derivative

More from Merriam-Webster on carnitine

Britannica.com: Encyclopedia article about carnitine

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