Probiotics and Prebiotics Directory
Probiotics are "good" bacteria that help the body's digestive tract. Prebiotics are food ingredients that help support growth of probiotic bacteria. Follow the links below to find WebMD's comprehensive coverage about what probiotics and prebiotics are and how they work.
An overview of probiotics – their benefits and how they work, supplements and foods with probiotics, the best probiotics for different conditions, and possible side effects.
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