is glutathione primarily intracellular in Skin Aging and Tissue Regeneration: A Systematic Review of Molecular Mechanisms, Redox Modulation, and Biomedical Implications Glutathione Metabolism - an overview
Description
The study documented the activation of caspase-14, the decrease in infiltrating macrophages, and the downregulation of keratin 14, resulting in hyperproliferation [187]

Why Glothione Over Others

Mostly animal and limited human aging studies

Weight on the scale might drop 2-4 pounds (depending on starting point and deficit)

[DOI] [PubMed] [Google Scholar] [71].Li GC

Li F, Welling MC, Johnson JA, Coughlin C, Mulqueen J, Jakubovski E, et al
