Vitamin C–Induced Oxalate Nephropathy: An Underappreciated Consequence of Dietary Supplements

Oxalate nephropathy is an uncommon and often-missed cause of acute kidney injury. A careful history of medications, and especially dietary supplements, including vitamin C and turmeric, both of which can lead to renal deposition of oxalate, is essential to diagnosing this rare but potentially increasing cause of acute kidney injury. Here, we report a case of vitamin C–induced oxalate nephropathy leading to acute kidney injury requiring hemodialysis.