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Description
It contains a compound called silymarin, which may help restore glutathione levels in the body and modulate the activities of the enzymes that metabolize glutathione
Enhanced Effectiveness Identical substances given orally often produce weaker effects

[PMID: 16007097 DOI: 10.1038/nm1267] [DOI] [PMC free article] [PubMed] [Google Scholar] 42.Ji X, Tan W, Zhang C, Zhai Y, Hsueh Y, Zhang Z, Zhang C, Lu Y, Duan B, Tan G, Na R, Deng G, Niu G

In reaction order these enzymes are GTP cyclohydrolase 1 (GTPCH), 6-pyruvoyltetrahydropterin synthase (PTS

Energy metabolism in mammalian sperm motility
