glutathione peroxidase and heme 2 - an overview The Role of Reactive Oxygen
Description
By increasing antioxidant levels, glutathione IV therapy may help protect the body from oxidative stress

It appears that sub q is most likely the way to go

The angle is based on the amount of subcutaneous tissue present

Modern research confirms its effectiveness

[DOI] [PMC free article] [PubMed] [Google Scholar] 21.N-acteyl cysteine alleviates oxidative damage to central nervous system of ApoE-deficient mice following folate and vitamin E-deficiency
The irreversible transformation of adenosine to hypoxanthine is another reason for the low efficiency of ATP regeneration in GSH biosynthesis [26]
