liposomal glutathione liquid orange Tri-Fortify™ 8 Oz Designs For Health – Liposomal
Description
In addition to its role in the synthesis of cysteine, methionine is critical in the synthesis of the methyl donor, S-adenosylmethionine (SAM, SAMe, or AdoMet)

10.1093/nar/gky260 Nucleic Acids Res

It's the only antioxidant that can function in all cellular environments

Furthermore, mutations in the autosomal recessive genes Parkin (PRKN), PTEN-induced kinase 1 (PINK1), and Parkinsonism associated deglycase 1 (DJ-1) contribute to the pathogenesis of autosomal recessive PD (Di Rita et al., 2018)

Lars Nielsen about this issue, he advised us that even when we have more than one measurement for the same organism, the values can vary many fold (Km) to several orders (kcat)