For healthy aging and weight management, the better question is not "How fast can this work?" It is "What changes are believable for my age, habits, and starting point?" A helpful reality check is understanding what a healthy rate of weight loss looks like
Beyond direct antioxidant activity, glutathione functions through several enzymatic systems central to detoxification and redox control, including glutathione-S-transferases for conjugation reactions, glyoxylases, glutathione peroxidases and peroxiredoxins for peroxide reduction, and glutaredoxins for thiol-disulfide exchange
This is going to massively increase muscle mass, muscle growth, and could potentially even sprout new muscle cells
Biotin-tagged proteins can be enriched using avidin-coated resin before analysis, e.g., by immunoblot