How to Use serotonin in a Sentence

serotonin

noun
  • So the England run has been a kind of serotonin to all of that.
    — Ceylan Yeginsu, New York Times, 10 July 2018
  • This book is like dipping your brain into a jar of serotonin.
    — Olivia Waite, New York Times, 23 June 2023
  • So, what’s the special sauce of a feel-good, serotonin-boosting song?
    — NBC News, 28 July 2019
  • Well, about 95 percent of the body’s serotonin is in the gut, not the brain!
    — Paul Root Wolpe, Vox, 2 Apr. 2018
  • Only about 5 percent of the body’s serotonin is made in the brain.
    — Jenny Lehmann, Discover Magazine, 22 May 2025
  • After serotonin does its job in the brain, nerve cells reabsorb it.
    — Kristen Rogers, CNN Money, 12 Oct. 2025
  • So to get not only the full song but the entire video was almost too much serotonin to bear.
    — Christopher Rosa, Glamour, 14 Feb. 2025
  • While the gut ends up overloaded with serotonin, the brain has too little.
    — Deirdre Bardolf, FOXNews.com, 8 Dec. 2025
  • And the gut produces as much as 95% of the serotonin in our bodies.
    — New Atlas, 20 Oct. 2025
  • For a dose of serotonin in its purest form, watch her lil’ post-win celebration dance.
    — Karen Yuan, Bon Appétit, 6 Aug. 2021
  • When the gut microbiome isn’t health, can produce less serotonin.
    — Dominique Fluker, Essence, 14 Sep. 2023
  • Putting a fresh, insightful spin on familiar tropes, the show is a pure serotonin hit.
    — New York Times, 24 Aug. 2021
  • There's no surer cure for the blues than a shot of serotonin straight to the heart in the form of one of the best rom-coms of all time.
    — Elizabeth Logan, Glamour, 14 Apr. 2025
  • This amino acid triggers the release of serotonin, which is a feel-good brain chemical.
    — Marie Claire, 21 Mar. 2010
  • These amino acids are both capable of increasing serotonin in the brain.
    — Lauren Corona, chicagotribune.com, 9 Sep. 2020
  • Hormones like serotonin and dopamine can be produced to help regulate mood.
    — Kendall Cornish, Travel + Leisure, 16 May 2020
  • Snort-laughs and serotonin are the perfect addition to your reading list.
    — Sarah Wendell, Washington Post, 3 Dec. 2022
  • And then there were those who really couldn't get enough mood-enhancing serotonin.
    — Lauren Valenti, Vogue, 13 May 2018
  • Laughter also gives me a hit of dopamine or serotonin, and that got me out of the house even during the lowest times.
    — Adrian Nicole Leblanc, The New Yorker, 19 Oct. 2019
  • The body uses tryptophan to help make melatonin and serotonin.
    — Nina Turner, Newsweek, 29 Oct. 2024
  • Sliding my feet into a fuzzy pair of slippers always gives me an instant serotonin boost.
    — Rylee Johnston, PEOPLE, 8 Nov. 2025
  • That your supply is so depleted of just serotonin, dopamine and a lot of that is just chemical.
    — Hannah Sacks, Peoplemag, 9 Jan. 2024
  • The blanket’s weight helps your body produce the happy hormone, serotonin.
    — Terri Williams, Forbes, 30 Sep. 2024
  • Getting enough vitamin D in your diet could mean more serotonin in the brain.
    — Lana Barhum, Verywell Health, 17 Jan. 2025
  • The rabbits did not improve when given a drug that spurs production of serotonin.
    — Denise Gellene, BostonGlobe.com, 2 July 2018
  • If nothing else, a 45-minute prime-time set in there produces enough serotonin to last a whole career.
    — August Brown, Los Angeles Times, 9 Apr. 2023
  • To get his serotonin flowing even on sluggish days, Roker turns to music.
    — Cathy Applefeld Olson, Forbes, 21 Dec. 2021
  • In the brain, it gets converted into serotonin, and then melatonin—known to cause drowsiness.
    — Nick Stockton, WIRED, 28 Nov. 2024
  • Even better – enjoy it while petting your pup, which is a cost-free way to increase serotonin and improve your mood.
    — Lindzi Scharf, The Hollywood Reporter, 15 Feb. 2023
  • Water pools in your eyes as serotonin saturates your nervous system.
    — Maya Silver, Outside, 25 Feb. 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'serotonin.' 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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