glutathione amin in Our Diet and Its Role in the Body: From Disease Prevention to Anti-Aging What is Glutathione? Benefits, Dosages,

For an injectable peptide, those are not minor concerns

[DOI] [PMC free article] [PubMed] [Google Scholar] 262.Hua Y, Zou Z, Alessandro P, Ward TR, Mayor M and Khler V, ChemRxiv, 2023, preprint, DOI: 10.26434/chemrxiv-22023-26483gph

[1] They are found in the medulla and the junction between the cortex and medulla of the thymus, and, in the lower gastrointestinal tract, ovary, uterus, spleen, and lymph nodes, but not in the lung, skin, esophagus, or some other internal organs under normal conditions

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The leads to the formation of Reactive Oxygen Species (ROS) which thereby captures electrons from other molecules and increase oxidative stress