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A striking increase in oxidized GSH (GSSG increased from 5% at baseline to about 40% 3 h after treatment) was noted, possibly reflecting the potential value of GSH as an antioxidant providing protection in the lung tissue

No side effects or injection site reactions

Most published findings come from short-duration animal studies or small clinical cohorts, leaving questions about long-term effects, interactions with other compounds, and use across diverse populations largely unanswered

the naturally occurring biologically active form is L-lysine, whereas D-lysine is mainly used in specific peptide synthesis and antibacterial research