How to Use caffeine in a Sentence

caffeine

noun
  • Her doctor told her to avoid caffeine.
  • That’s why Morgan and friends have been drinking a lot of coffee, though not so much for the caffeine.
    Tom Krasovic, San Diego Union-Tribune, 14 Mar. 2022
  • The extra coffee might feel necessary to get through the fatigue, but too much caffeine is not heart healthy.
    Dr. Chidimma J. Acholonu, ABC News, 12 Mar. 2022
  • Caudalie's famed skin-care product is also infused with caffeine, just like your morning latte.
    Jennifer Hussein, Allure, 10 Mar. 2022
  • Whether caffeine is responsible for any health benefits from coffee isn’t clear, Kao said.
    Kristen Rogers, CNN, 25 Mar. 2022
  • All the other ingredients are the same, including how much caffeine is in Coke from the two countries.
    Naomi Tomky, Chron, 17 Mar. 2022
  • Samples of the leaves analyzed by chemists evidenced as high as 1.65 percent of caffeine.
    Mark Fischetti, Scientific American, 23 Feb. 2022
  • Starbucks Starbucks store hours vary by location on Thanksgiving, but many will be open to meet all your holiday caffeine cravings.
    Yaakov Katz, Newsweek, 27 Nov. 2024
  • There are also diet restrictions, such as avoiding caffeine, white sugar, recreational drugs, alcohol and dairy products.
    Jason Duaine Hahn, PEOPLE.com, 23 Feb. 2022
  • Many causes of tachycardia, such as consuming too much caffeine, are easy to change, while other causes can include underlying problems with your heart or other organs.
    Anna Giorgi, Verywell Health, 29 Nov. 2024
  • Given the past 72 hours the Norwegian producer has just careened through, his need to mainline caffeine is understandable.
    Katie Bain, Billboard, 10 Mar. 2022
  • If that’s not your speed, Katz’s Coffee and Raising Cane’s will be providing caffeine and lemonade, respectively.
    Emma Balter, Chron, 22 Mar. 2022
  • And then the energy from the caffeine and throw some tunes on and get out there and go for a ride.
    Greg Presto, Men's Health, 30 Apr. 2022
  • For a small, quick hit of caffeine, learn to drink a strong Cuban coffee.
    Lois K. Solomon, Sun Sentinel, 31 Aug. 2022
  • In the morning, the house caffeine is oft served with bubbly.
    Katie Kelly Bell, Robb Report, 2 May 2024
  • Plus, many folks are content with the caffeine rush alone, and the rest is just frippery.
    Tim Carman, Washington Post, 2 Jan. 2024
  • That's a lot of caffeine to pump into an adult, let alone a kid.
    Sarah Cottrell, Parents, 11 July 2023
  • Keep the caffeine flowing in the meantime with this chic French press.
    Jake Henry Smith, Glamour, 17 Sep. 2024
  • Green coffee extract in the drink gives you a bold boost of caffeine.
    Emily Vanschmus, Better Homes & Gardens, 4 Aug. 2022
  • The extra boost of caffeine on a long theme park day didn’t hurt, either.
    Esther Carlstone, Parents, 12 Sep. 2023
  • That's of course thanks to the caffeine, a stimulant that can rev up your body's engine for the day.
    Marisa Cohen, Good Housekeeping, 3 Aug. 2022
  • Anything that helps with the sleepless nights (in this case, caffeine).
    Chaunie Brusie, Rn, Parents, 18 Jan. 2024
  • Even those who stay away from caffeine are able to indulge in this tasty treat.
    Ebony Williams, ajc, 6 May 2022
  • This new, frozen version of the fan-favorite fall drink is made with oat milk and has a boost of caffeine.
    Sabrina Weiss, Peoplemag, 22 Aug. 2023
  • Plus, there's a bit of caffeine in the formula, which the brand says offers a quick pick-me-up.
    Shanon Maglente, Good Housekeeping, 20 Oct. 2022
  • Plus, a jolt of caffeine in these works to banish puffiness.
    Sam Peters, ELLE, 14 Nov. 2022
  • After the dates, the next order of business for most will be caffeine.
    Zaynab Issa, Bon Appétit, 28 Mar. 2022
  • After all, the amount of caffeine in a cup of coffee can vary wildly.
    CNN, 29 Aug. 2022
  • Each bar contains a small dose of caffeine too at 5mg for a little boost.
    Good Housekeeping, 29 Mar. 2023
  • Don’t drink caffeine at least 8 to 10 hours before bed.
    Fox News, 27 June 2022

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