probiotic

noun

pro·​bi·​ot·​ic prō-bī-ˈä-tik 

-bē-ˈä-

: a microorganism (such as lactobacillus) that when consumed (as in a food or a dietary supplement) maintains or restores beneficial bacteria to the digestive tract

also : a product or preparation that contains such microorganisms compare prebiotic

probiotic adjective

Examples of probiotic in a Sentence

Recent Examples on the Web

Greek Yogurt with Fruit and Nuts Greek yogurt is high in protein, calcium, and probiotics, and has various health benefits. —Angela Ryan Lee, Verywell Health, 8 Oct. 2025

Marvasti said eating a quarter-cup of kimchi several times a week is enough to introduce necessary probiotics and phytonutrients into your gut biome. —Andrea Margolis, FOXNews.com, 8 Oct. 2025

Each scoop delivers 75 vitamins, minerals, probiotics, and adaptogens sourced from greens like alfalfa, spirulina, and artichoke. —Olivia Tarantino, Bon Appetit Magazine, 8 Oct. 2025

Apple cider vinegar and probiotics can both benefit gut health. —Kirstyn Hill, Health, 6 Oct. 2025

Word History

Etymology

pro- entry 2 + -biotic (as in antibiotic)

First Known Use

1974, in the meaning defined above

Rhymes for probiotic

• abiotic
• aeronautic
• apoptotic
• asymptotic
• cyanotic
• eukaryotic
• idiotic
• meiotic
• patriotic
• prebiotic
• prokaryotic
• semiotic

Medical Definition

probiotic

noun

pro·​bi·​ot·​ic prō-bī-ˈät-ik, -bē- 

: a microorganism (such as lactobacillus or bifidobacterium) that when consumed (as in a food or a dietary supplement) maintains or restores beneficial bacteria to the digestive tract

also : a product or preparation that contains such microorganisms compare prebiotic

probiotic adjective