inj glutathione uses IM Glutathione injection can repair skin,

1000 mg/day, P.O for 12 weeks) in patients with CHD [189, 190]

the study physician attributed the death to pre-existing coronary artery disease unrelated to the drug, but the FDA's Pharmacy Compounding Advisory Committee cited this "unresolved cardiac signal" in December 2024 as a reason to keep the compound off the approved compounding list

So definitely there are advantages to using this over, over getting a liver biopsy

By supporting the liver's detoxification pathways, liposomal glutathione helps maintain a clean internal environment, allowing the immune system to operate more efficiently

Xie, Y., Kole, S., Precht, P., Pazin, M

PMID: 35052554