Prebiotics, probiotics, and synbiotics are now used more commonly in medicine, and they are generally considered to be dietary supplements and not drugs. They are not meant to be used for the treatment of disease, although recent interest has grown in the area of disease treatment. Not all of the research is in support of the benefit provided by these supplements, and it is important to be aware of the associated risks and benefi ts. In nephrology, these supplements show potential benefi ts in treating kidney stones, uremia, and urinary tract infections. This paper reviews the current literature with an emphasis on the risks and benefi ts of these supplements in the treatment of these renal disorders.
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