glutathione injections can make weak 15 Benefits: How to Improve Your Mind & Body The Side Effects of Glutathione
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Brain 144 , 19581973 (2021)

Drug Metab Dispos 35:12621268 Wu H, Hait WN, Yang JM (2003) Small interfering RNA-induced suppression of MDR1 (P-glycoprotein) restores sensitivity to multidrug-resistant cancer cells

You might feel a slight pinch during the IV insertion, but the infusion process itself is usually relaxed and pain-free.
In turn, this prevents polyubiquitination and proteasomal degradation of Nrf2 protein stabilizing its levels (Yamamoto et al., 2018)

Iadecola, 1997