Supplementary Table 2 Traditional medicines and edible plants associated with chronic renal disease (often presenting as de novo renal dysfunction). Common name (latin name) Countries where adverse effects reported Indication or purported property Toxic compound or metabolite Types of renal injury reported Other adverse events reported Outcomes Bladderwrack (Fucus vesiculosus)1 Italy To induce weight loss, thyroid stimulant, hypoglycemic Arsenic (from growth of plant in contaminated water) Tubular atrophy, lymphocytic infiltrate, proteinuria, ‘heavy metal nephropathy’a Polyuria, polydipsia, glycosuria Prolonged recovery Chaparral (Larrea tridentata)2–4 USA Cancer, arthritis, cleansing, tonic Nordihydroguaiareti c acid (NGDA) Renal cysts, low grade cystic renal cell carcinoma Contact dermatitis, hepatitis Stable condition after nephrectomy Chinese herbs (Aristolochia fangchi; Aristolochia clematis)5–10 Europe, China, USA To induce weight loss, to improve well being, liver tonic, menopause, “almost any ailment” Aristolochic acid Interstitial fibrosis, tubular atrophya, Fanconi syndrome, AKI with rhabdomyolysis Vomiting, gastroenteritis, muscle spasms, urothelial carcinoma End-stage renal disease, Balkan nephropathy Germanium5,11,12 Germany, Korea Immunostimulant, antiinflammatory Germanium dioxide, alkyl germanium ATN, tubular atrophy, interstitial fibrosisa Anemia, muscle wasting, peripheral neuropathy Persistent renal dysfunction L-Lysine13 USA Oral herpes L-lysine Fanconi’s syndrome, tubulointerstitial nephritis. Prominent proximal tubular lysosomes, ATNa Fatigue End-stage renal disease Mesotherapy (comprises drugs, homeopathic medicines, plant extracts and vitamins)14 Ireland To induce weight loss Multiple possible compounds Tubulointerstitial fibrosisa Anemia End-stage renal disease Willow bark (Salix daphnoides)3,15 Europe Analgesic Salicylate Renal dysfunction leading to papillary necrosis Upset stomach, peptic and duodenal ulcers, bleeding, tinnitus, nausea, vomiting, diarrhea Chronic kidney disease a Diagnosis made by biopsy and/or post-mortem. Abbreviations: ATN, acute tubular necrosis; AIN, acute/allergic interstitial nephritis; AKI, acute kidney injury. References 1 Conz PA et al. (1998) Fucus vesiculosus: a nephrotoxic alga? Nephrol Dial Transplant 13: 526–527 2 Steenkamp V and Stewart MJ (2005) Nephrotoxicity associated with exposure to plant toxins, with particular reference to Africa. Ther Drug Monit 27: 270–277 3 Gabardi S et al. (2007) A review of dietary supplement-induced renal dysfunction. Clin J Am Soc Nephrol 2: 757–765 4 Smith AY et al. (1994) Cystic renal cell carcinoma and acquired renal cystic disease associated with consumption of chaparral tea: a case report. J Urol 152: 2089–2091 5 Luck BE et al. (1999) Renal and other organ failure caused by germanium intoxication. Nephrol Dial Transplant 14: 2464–2468 6 Debelle FD et al. (2008) Aristolochic acid nephropathy: A worldwide problem. Kidney Int 74: 158–169 7 Debelle F et al. (2002) Aristolochic acids induce chronic renal failure with interstitial fibrosis in salt-depleted rats. J Am Soc Nephrol 13: 431–436 8 Kabanda A et al. (1995) Low molecular weight proteinuria in Chinese herbs nephropathy. Kidney Int 48: 1571–1576 9 Krumme B et al. (2001) Reversible Fanconi syndrome after ingestion of a Chinese herbal 'remedy' containing aristolochic acid. Nephrol Dial Transplant 16: 400–402 10 Vanherweghem J et al. (1993) Rapidly progressive interstitial renal fibrosis in young women: Association with slimming regimen including Chinese herbs. Lancet 341: 387–391 11 Schauss AG (1991) Nephrotoxicity in humans by the ultratrace element germanium. Ren Fail 13: 1–4 12 Kim KM et al. (1998) Nephropathy and neuropathy induced by a germanium-containing compound. Nephrol Dial Transplant 13: 3218–3219 13 Lo JC et al. (1996) Fanconi's syndrome and tubulointerstitial nephritis in association with L-lysine ingestion. Am J Kidney Dis 28: 614–617 14 Farrell J et al. (1995) Renal failure associated with alternative medical therapies. Ren Fail 17: 759–764 15 Schwarz A (1993) Beethoven's renal disease based on his autopsy: a case of papillary necrosis. Am J Kidney Dis 21: 643–652