How to Use theobromine in a Sentence

theobromine

noun
  • Chocolate contains a substance called theobromine, which is toxic to dogs.
    — Amber Smith, Discover Magazine, 23 Oct. 2022
  • This sweet treat contains theobromine, which is toxic to dogs and can lead to serious health problems.
    — Amber Smith, Discover Magazine, 28 July 2023
  • Chocolate and coffee grounds contain the chemical theobromine that may cause seizures and death.
    — Iris Katz, baltimoresun.com/maryland/carroll, 19 Dec. 2020
  • Then of course, there are these chemicals that exist in chocolate, theobromine, caffeine.
    — Dana Taylor, USA Today, 13 Feb. 2026
  • Chocolate contains caffeine and theobromine, a compound that may affect mood.
    — Lisa Drayer, CNN, 16 Apr. 2020
  • Dogs cannot metabolize theobromine and caffeine like people can.
    — Traci Howerton, NOLA.com, 20 Oct. 2020
  • Cacao is good for energy, mood, and stress—the chemical in it, theobromine, helps your brain and tastes amazing.
    — Irina Groushevaia, Bon Appétit, 18 Dec. 2019
  • Plus theobromine and caffeine could be included, which can be dangerous or fatal.
    — Jennifer Nelson, Southern Living, 12 Mar. 2021
  • Researchers found that those with higher levels of theobromine in their blood had a lower biologic age.
    — Cara Lynn Shultz, PEOPLE, 2 Jan. 2026
  • Chocolate contains a chemical called theobromine that is extremely toxic for dogs.
    — Orlando Mayorquin, USA TODAY, 8 Mar. 2022
  • Milder stimulants such as theophylline, found in cocoa, and theobromine, found in tea, are often included as well, Coyle said.
    — Cnn.com Wire Service, Mercury News, 10 Dec. 2025
  • The alkaloid theobromine, which is found in cacao plants, can aid in decreasing inflammation.
    — Angela Watson, chicagotribune.com, 22 Mar. 2021
  • Yule logs, chocolate Christmas candies, hot chocolate and more are off the list for dogs, as chocolate contains theobromine, which is toxic to them.
    — Daniel R. Depetris, Newsweek, 14 Dec. 2024
  • Its chocolate scent comes bundled with theobromine, the compound behind chocolate’s toxicity, and many dogs will eat it.
    — Ryan Brennan, Miami Herald, 2 July 2026
  • The diuretic effect of theobromine dehydrates the animal or person who consumes it, which can lead to muscle tremors and seizures.
    — Dallas News, 21 Oct. 2022
  • Yaupon tea contains theobromine and theophylline, providing energy without the crash and jitters.
    — Randi Gollin, Martha Stewart, 12 June 2026
  • Cocoa bean mulch, which contains caffeine and theobromine, can cause vomiting and diarrhea, among other issues.
    — Washington Post, 4 May 2022
  • The balls are loaded with walnuts, which are a great source of omega-3s, and the theobromine from the chocolate, a gentler cousin of caffeine, may give me a little afternoon boost.
    — Bon Appétit Contributor, Bon Appétit, 9 Oct. 2022
  • The researchers discovered that people with higher levels of theobromine in their blood had a biological age that was less than their actual age.
    — Tom Gavin, EverydayHealth.com, 10 Dec. 2025
  • Substances that may actually attract humans to chocolate – methylxanthines like theobromine and caffeine – are toxic to both dogs and cats.
    — Leticia Fanucchi, CBS News, 17 Dec. 2022
  • According to Apolo, theobromine, an alkaloid in the cacao beans used to make chocolate, makes chocolate toxic to canines.
    — Kelli Bender, People.com, 29 Oct. 2024
  • Both caffeine and theobromine belong to the methylxanthine chemical family.
    — Science & Food, Discover Magazine, 29 Sep. 2015
  • Cocoa compounds, including theobromine, may improve vascular function and blood flow, Keatley says.
    — Tom Gavin, EverydayHealth.com, 10 Dec. 2025
  • Finally, there are a number of chemical compounds in cocoa, most notably the flavanols, caffeine, and a bitter alkaloid called theobromine.
    — Jennifer Ouellette, Ars Technica, 29 Oct. 2018
  • Cocoa products like dark chocolate also contain some caffeine and another natural stimulant called theobromine.
    — Jillian Kubala, Health, 16 Oct. 2025
  • Tea also contains two other types of methylxanthines, theophylline and theobromine, which are both considered to be muscle relaxants, Richardson says.
    — Adele Jackson-Gibson, Good Housekeeping, 1 Nov. 2022
  • There is even some evidence that dark chocolate improves brain functions, since cacao contains small amounts of caffeine and theobromine, a bitter compound that acts as a stimulant in the body, according to the website.
    — Cathy Jakicic, Milwaukee Journal Sentinel, 7 Feb. 2022
  • The website PetMD explains that chocolate contains toxic chemicals, such as theobromine and caffeine, which can cause severe health issues.
    — Alyce Collins, MSNBC Newsweek, 3 Oct. 2025
  • Different types of chocolate contain different concentrations of theobromine.
    — Orlando Mayorquin, USA TODAY, 8 Mar. 2022
  • The connection between higher theobromine levels and slower aging held up even after researchers ruled out other compounds in chocolate and coffee, pointing to theobromine as the likely driver, according to the paper.
    — Deirdre Bardolf, FOXNews.com, 13 Dec. 2025

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