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Other antioxidants are the vitamins A, C and E and the minerals zinc and selenium

Barth E, Stammler G, Speiser B, Schaper J

Cell Metab 2019;30:98796.ArticlePubMedPMC 26

However, during treatment, liver function worsened and the tumor marker -fetoprotein increased in all three patients, and all participants died within 2369 days of enrolling into the trial, likely from hepatic failure [221]

10.1053/j.gastro.2008.01.073 Gastroenterology 117 MariM.ColellA.MoralesA.von MontfortC.Garcia-RuizC.Fernandez-ChecaJ

While study results vary somewhat, evidence suggests that long-term use of these medications may increase the risk of vitamin B12 deficiency in some individuals