probiotic

[ proh-bahy-ot-ik ]

noun

1. a food, usually dairy, or a dietary supplement containing live bacteria that replace or add to the beneficial bacteria normally present in the gastrointestinal tract: Compare prebiotic ( def 3 ).

   This chewable probiotic is packed with 10 billion live cultures.

2. a bacterium in a food or dietary supplement that replaces or adds to the beneficial bacteria normally present in the gastrointestinal tract:

   The probiotic in this product is a close cousin of brewer's yeast.

adjective

1. being or relating to a food or dietary supplement containing live bacteria that replace or add to the beneficial bacteria normally present in the gastrointestinal tract:

   The doctor recommended a probiotic yogurt drink for my stomach problems.

probiotic

/ ˌprəʊbaɪˈɒtɪk /

noun

1. a harmless bacterium that helps to protect the body from harmful bacteria
2. a substance that encourages the growth of natural healthy bacteria in the gut

adjective

1. of or relating to probiotics

   probiotic yogurt

Word History and Origins

Origin of probiotic¹

First recorded in 1950-55; pro- ¹ + biotic, modeled on antibiotic

Word History and Origins

Origin of probiotic¹

C20: from pro- ¹+ ( anti ) biotic

Example Sentences

The probiotic cancer treatment, described Nov. 20 in the journal Cell Chemical Biology, establishes a customizable drug delivery system that can be modified to potentially treat other gut diseases.

From Science Daily

The study's results could inspire future treatments, including probiotics or dietary plans designed to strengthen the body's natural defenses against harmful pathogens.

From Science Daily

They’re also awaiting results on other possible options, like probiotic powders that may strengthen bats’ skin microbiomes to slow fungal growth.

From Los Angeles Times

These included suggestions the product could reduce tiredness, had "gut-friendly probiotics" and contributed to "smooth, healthy skin".

From BBC

Giving mice probiotics, such as Clostridia, prevented C. albicans from growing in the gut.

From Science Daily