An animal study has found that melatonin, curcumin (from turmeric), quercetin and resveratrol ameliorate chemically induced kidney damage. These are all natural supplements available at most health food stores or on Amazon etc.
Eybl, V., Kotyzová, D., Černá, P., & Koutenský, J. (2008). Effect of melatonin, curcumin, quercetin, and resveratrol on acute ferric nitrilotriacetate (Fe-NTA)-induced renal oxidative damage in rats. Human & Experimental Toxicology, 27(4), 347–353. https://doi.org/10.1177/0960327108094508