Probiotics: Preventing Complications of Antibiotic Use
What are probiotics? Composition

The microorganism(s) included in the formulation of a probiotic differs across products, in terms of the genus, species and even the particular strain of bacteria included.

While some products contain multiple microorganisms, selected to capture diverse benefits, others may include a single microorganism.

This has important implications. While some core benefits of probiotics are expected, some health benefits are species and strain specific.12