glutathione-s transferase gst addgene Frontiers Glutathione S-transferase - Wikipedia

Mol Pharm 1:248256 Shih AY, Johnson DA, Wong G, Kraft AD, Jiang L, Erb H, Johnson JA, Murphy TH (2003) Coordinate regulation of glutathione biosynthesis and release by Nrf2-expressing glia potently protects neurons from oxidative stress

Its something your body produces less and less of as you age

The alignment of the amino acid sequences, and, to some extent the nucleotide sequences, can also take into account the conservative differences and / or frequent substitutions in the amino acids (or nucleotides)

FIGURE 3 On the contrary, exogenous antioxidants have to be ingested through the diet, since their synthesis is impossible in eukaryotic cells

Is NAC better than glutathione