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How safe are probiotics?

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Probiotics are "good bacteria" that live in your gut. They're generally considered safe, but they may cause problems for young children, seniors, and those with a serious illness or a weak immune system -- your body's defense against germs. If you decide to take them, tell your doctor.

SOURCES:

American Gastroenterological Society: "Probiotics: What They Are and What They Can Do For You."

Floch, M.  , July 2008. Journal of Clinical Gastroenterology

Sharp, R.  , April 2009. American Journal of Gastroenterology

Katz, J.  , 2002. Gastroenterology

Stefano Guandalini, MD, University of Chicago.

Martin Floch, Yale University School of Medicine, New Haven, CT.

Reviewed by Sabrina Felson on July 28, 2020

SOURCES:

American Gastroenterological Society: "Probiotics: What They Are and What They Can Do For You."

Floch, M.  , July 2008. Journal of Clinical Gastroenterology

Sharp, R.  , April 2009. American Journal of Gastroenterology

Katz, J.  , 2002. Gastroenterology

Stefano Guandalini, MD, University of Chicago.

Martin Floch, Yale University School of Medicine, New Haven, CT.

Reviewed by Sabrina Felson on July 28, 2020

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What are the different types of probiotics?

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