1979 griffith glutathione Sex differences in metabolism and acetaminophen toxicity Glutathione - PMC

The standard reconstitution workflow for most research peptides using bacteriostatic water is straightforward: allow the lyophilised peptide vial to reach room temperature, add the appropriate volume of bacteriostatic water using a sterile needle and syringe, swirl gently (do not shake vigorously, as this can cause peptide aggregation or degradation), and allow to stand until fully dissolved

The solution for you may be IV therapy

Aging Liu and coworkers have systematically evaluated the effect of aging in rodents on GSH homeostasis in different tissues and found that GSH level falls in all tissues with age, due to a corresponding fall in GCL and GS gene expression (no change in GGT, GSH reductase expression, cysteine availability or GSSG as an indicator of oxidative stress) (Wang et al., 2003

Regardless of frequency, the total weekly dose remains the same