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

Other emerging supplements include ashwagandha, elderberry, collagen, hyaluronic acid, probiotics and prebiotics, according to the research. — Angelica Stabile, FOXNews.com, 30 June 2026

Kimchi supports gut health by providing probiotics, prebiotics, and anti-inflammatory molecules, which may improve the gut microbiome. — Amy Brownstein, Verywell Health, 26 June 2026

Reports promise a clear verdict on whether your gut is balanced, then hand you a roadmap of foods to eat, foods to skip and probiotics to buy. — Ryan Brennan, Miami Herald, 24 June 2026

Per Bloom’s website, the bite-sized gummies pack green superfoods, vitamins, minerals, probiotics and fiber aimed at relieving bloating and supporting gut health. — Samantha Agate, Sacbee.com, 24 June 2026

Word History

Etymology

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

First Known Use

1974, in the meaning defined above

Rhymes for probiotic

• aprotic
• aquatic
• biotic
• chaotic
• cirrhotic
• demotic
• despotic
• dichotic
• erotic
• euphotic
• exotic
• fibrotic

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