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Color enhanced scanning electron micrograph (SEM) of the bacteria Lactobacillus

Photo Credit: SciMAT/Photo Researchers, Inc.

Probiotics are live microorganisms (in most cases, bacteria) that are similar to beneficial microorganisms found in the human gut. They are also called “friendly bacteria” or “good bacteria.” Probiotics are available to consumers mainly in the form of dietary supplements and foods.

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This page last modified April 08, 2016