glutathione supplements solary Solaray PQQ CoQ10 NAC Antioxidant Complex for Cellular Support, 30 CT Solaray® NAC 600mg Dietary Supplement,
Description
Biochemistry 20 , 110115 (1981)
doi: 10.1038/s41419-022-05015-0
Large-pore mesoporous-silica-coated upconversion nanoparticles as multifunctional immunoadjuvants with ultrahigh photosensitizer and antigen loading efficiency for improved cancer photodynamic immunotherapy

Yes, when administered by qualified professionals in a clinical setting, glutathione IV therapy is considered safe

VASA Zeitschrift fur Gefasskrankheiten

Or ipamorelyn, which is considered a "gentle" growth hormone secretagogue, is used for recovery and fat loss