Do you avoid certain cranberry extract supplements for patients with recurrent calcium oxalate nephrolithiasis who have hyperoxaluria of unknown etiology given potential for the supplement to increase urinary oxalate levels?
1 Answer
Mednet MemberInvited Expert
Nephrology · Mayo Clinic
Answered on
Yes. Hyperoxaluric calcium oxalate stone formers ought to be on a low-oxalate diet. I consider cranberries and their extracts as high oxalate foods.
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