This is highly speculative because: Oral bioavailability differs between species Route of administration affects systemic exposure Species differences in peptide metabolism and clearance are unknown Current Practice Patterns Current practice patterns from unregulated sources typically involve: Subcutaneous injection: 0.25-0.5 mg once or twice daily, administered near injection sites for localized effects or abdominally for systemic distribution
For already reconstituted peptides, brief warming reduces injection discomfort but extended warming wastes cold chain protection
GSH can also serve as a substrate for S-glutathionylation of proteins in the presence of small redox enzyme glutaredoxins (GRX), which also utilizes GSH as a cofactor ( Figure 1 )
Under typical physiological circumstances, oxidative stress generation and clearance are controlled by endogenous antioxidant defense systems, which comprise antioxidant enzymes (SOD) and non-enzymatic (GSH) (Liao et al., 2022)
Perovic D, Kolenc D, Bilic V, Somun N, Drmic D, Elabjer E, et al