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Many natural antioxidants taken from diet or from supplements have very limited bioavailability and their in vitro antioxidant activity and ability to regenerate themselves have not been confirmed in cells or tissues (Jomova et al

[DOI] [PMC free article] [PubMed] [Google Scholar] 33.Antognelli C., Mezzasoma L., Fettucciari K., Mearini E., Talesa V.N

(2021) Metabolism of tracer (75)Se selenium from inorganic and organic seleniumocompounds into selenoproteins in rats, and the missing (75)Se metabolites, Front

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