In the United States, the prevalence of dietary supplement use that can be harmful to people with
chronic kidney disease (CKD) is unknown, despite the fact that avoiding these substances is important for patient safety. The authors of this study of data from the National Health and Nutrition Examination Survey, 1999-2008, found that the potentially harmful use of dietary supplements by patients with CKD is common; in fact, individuals with CKD are equally likely to use potentially harmful supplements as are those without CKD. The authors recommend that providers vigilantly ask patients about all ingestions and advise them about potential risks accordingly.

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