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

Prebiotics are a type of fiber found in foods such as garlic, onions, bananas, and asparagus that feed probiotics. —Christina Manian, Health, 26 Nov. 2024

Boka’s new Well line employs strains of pre- and probiotics that aim to support better breath and a healthy microbiome. —Emily Burns, WWD, 22 Oct. 2024

The mask contains three different kinds of probiotics that strengthen the skin's barrier and prevent skin aging. —Nora Colomer, Fox News, 8 Oct. 2024

Adding yogurt is also a great way to load up on probiotics, which help support gut health by keeping the number of microorganisms native to the small and large intestines in check. —Ashia Aubourg, Outside Online, 4 Oct. 2024

Word History

Etymology

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

First Known Use

1974, in the meaning defined above

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