glutathione injection im or subcutaneous How to Self-Administer & Intramuscular Injections Glutathione IM Injections – Physician‑Supervised

Insert the Needle: Hold the syringe like a dart and insert the needle at a 90-degree angle (or a 45-degree angle if you have very little body fat)

FIGURE 9 4 Discussion GHK and its bioactive form, GHK-Cu, have been demonstrated to be safe and effective in various cellular, tissue, and animal models ( In IBD, the expression levels of tight junction proteins such as ZO-1 and Occludin, is generally suppressed, leading to increased intestinal permeability, enhanced pathogen infiltration, and exacerbated inflammatory responses ( in vivo and in vitro experimental models revealed that GHK-Cu upregulates the expression level of Occludin and ZO-1, suggesting its potential role in promoting intestinal barrier repair

Maybe he already made the change and we dont know it

Heres a summarised comparison: Key take-aways: Use PBS when in doubt especially for sensitive peptides