glutamine

noun

glu·​ta·​mine ˈglü-tə-ˌmēn 

: a crystalline amino acid C₅H₁₀N₂O₃ that is found both free and in proteins in plants and animals and that yields glutamic acid and ammonia on hydrolysis

Examples of glutamine in a Sentence

Recent Examples on the Web

Ammonia is stored in your liver as glutamine (the most abundant amino acid, a building block of protein, in your body) and it’s regularly released into your urine—so when you’re dehydrated, a higher concentration of ammonia builds up in your pee. —Korin Miller, SELF, 23 July 2024

Certain proteins and amino acids, such as glutamine, arginine, and phenylalanine, can boost GLP-1 release. —Sarah Jividen, Health, 17 July 2024

There’s also astaxanthin combined with glutamine and leucine—amino acids that may also play a role in exercise recovery. —Isabel Vasquez Rd Ldn, Verywell Health, 9 July 2024

Protein powders marketed for muscle building may also include performance enhancers like creatine, BCAAs, glutamine, DHEA, and more. —Caroline Thomason, Health, 4 June 2024

Word History

Etymology

International Scientific Vocabulary gluten + amine

First Known Use

circa 1885, in the meaning defined above

Medical Definition

glutamine

noun

glu·​ta·​mine ˈglüt-ə-ˌmēn 

: a crystalline amino acid C₅H₁₀N₂O₃ that is found both free and in proteins in plants and animals and that yields glutamic acid and ammonia on hydrolysis

—abbreviation Gln