How to Use methionine in a Sentence

methionine

noun
  • It is made up of three main amino acids—glycine, arginine, and methionine.
    — Jillian Kubala, Health, 12 Aug. 2024
  • For instance, grains are low in an amino acid called lysine, while beans and nuts are low in methionine.
    — Carolyn L. Todd, SELF, 20 June 2019
  • Creatine is made from the amino acids glycine, arginine, and methionine.
    — Health, 17 June 2025
  • The culprit is methionine, an amino acid that contains sulfur.
    — Esther Mobley, SFChronicle.com, 7 May 2020
  • Your body makes creatine from the amino acids lysine, arginine, and methionine.
    — Jillian Kubala, Health, 17 Apr. 2025
  • Passion fruit, for example, is low in methionine and cysteine.
    — Deirdre Bardolf, FOXNews.com, 10 Aug. 2025
  • For example, grains are low in lysine, while beans and nuts are low in methionine, the FDA says.
    — Carolyn L. Todd, SELF, 28 Aug. 2019
  • Made from split peas, pea protein ($19, Amazon) contains all of the essential amino acids, but is low in one—methionine.
    — Brierley Horton, Ms, Better Homes & Gardens, 14 Jan. 2024
  • Made from split peas, pea protein ($15, Amazon) contains all of the essential amino acids, but is low in one—methionine.
    — Brierley Horton, Ms, Better Homes & Gardens, 14 Jan. 2024
  • Made from split peas, pea protein ($21, Amazon) contains all of the essential amino acids, but is low in one—methionine.
    — Brierley Horton, Ms, Better Homes & Gardens, 14 Jan. 2024
  • Both taurine and cysteine naturally occur in the body, while methionine can be consumed by eating protein sources.
    — Angelica Bottaro, Verywell Health, 30 Jan. 2025
  • Creatine is a naturally occurring compound that your body creates from three amino acids—arginine, glycine, and methionine.
    — Sarah Anzlovar, Ms, Rd, Verywell Health, 27 Feb. 2025
  • In one early study of rats, limiting methionine by 80% increased the rats' lifespans by an average of 43%.
    — Sandee Lamotte, CNN, 3 Feb. 2020
  • In the search for another path to the fountain of youth, researchers have been exploring the role of methionine and cysteine, two of the body's nine essential amino acids which contain sulfur.
    — Sandee Lamotte, CNN, 3 Feb. 2020
  • Plants use sulfur to manufacture cysteine and methionine, two amino acids important for producing protein.
    — Patrick Di Justo, WIRED, 28 July 2010
  • Some research suggests that methionine may enhance memory recall and reduce depression.
    — Dallas News, 24 July 2022
  • Incorporating these foods into a healthy, balanced diet should provide enough methionine for most people’s needs without taking extra supplements.
    — Dallas News, 24 July 2022
  • Mice that had been genetically engineered to lack the enzyme CTH that helps produce cysteine from methionine were fed a cysteine-free diet.
    — New Atlas, 12 July 2025
  • Such a meal should include a good source of protein, such as eggs, in order to stock up on or refuel depleted amino acids, including cysteine and methionine, which are building blocks for protective antioxidants.
    — Lauren J. Young, Scientific American, 17 Mar. 2026
  • Limiting the essential amino acid methionine appears to amplify the effects of radiation and chemotherapy in mice with colon cancer and sarcomas.
    — Jocelyn Kaiser, Science | AAAS, 1 Apr. 2021
  • And the link between cancer and methionine has been known about since the mid-1970s, with research demonstrating that cancer cells require more methionine from external sources than healthy cells do.
    — New Atlas, 2 July 2025
  • The other six essential amino acids required to build and repair muscle are histidine, lysine, methionine, phenylalanine, threonine, and tryptophan.
    — Shimite Obialo, Forbes.com, 26 May 2026
  • High-quality protein is any protein that contains all of the nine essential amino acids (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine) that our bodies don’t make on their own.
    — USA TODAY, 2 July 2023
  • Nine essential amino acids—histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine—are available only through foods or supplements.
    — Stacey Colino, Time, 27 May 2025
  • Two important sulfur-containing amino acids, cysteine and methionine, degrade during the fermentation process and form various sulfides that are responsible for those sulfurous, meaty, and onion odors [3].
    — Catherine Hu, Discover Magazine, 8 Dec. 2015
  • Another food that can affect urine odor is broccoli, which Savage says is metabolized in similar fashion to asparagus, including the excretion of methionine and its related sulfur smell.
    — Daryl Austin, USA TODAY, 14 July 2024
  • To promote these reactions, alternative meat developers will add browning agents, including specific amino acids such as cysteine, methionine, and lysine, sugars, and the vitamin thiamin.
    — Discover Magazine, 28 Nov. 2024
  • Evonik, in the governor’s news release, said the investment aligns with the division’s sustainability strategy by reducing the carbon footprint of DL-methionine from Mobile by about 7%.
    — John Sharp | [email protected], al, 23 Feb. 2022
  • More specifically, methylenetetrahydrofolate reductase converts the amino acid homocysteine to another, methionine.
    — Tara C. Smith, SELF, 18 Mar. 2019
  • These amino acids include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine – collectively necessary for building muscle, producing enzymes and hormones and maintaining healthy tissue.
    — Daryl Austin, USA Today, 21 Mar. 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'methionine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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