Its worth noting that in a formal study where IV glutathione was given twice weekly for 6 weeks, some participants self-reported lighter skin at the end of that period (6 weeks)
PMID: 41203174 Free Radic Biol Med DLAT sustains redox homeostasis and prevent colorectal cancer from ferroptosis by regulating SLC25A39-mediated mitochondrial glutathione transport
Oxidative stress: its effects on the growth, metastatic potential and response to therapy of breast cancer
Vitamin C reduces melanin production while niacinamide limits pigment transfer, making them effective for dark spots and uneven skin tone
In that study, melamine had a markedly adverse impact on the global hematological 227 system, while the application of MO not only attenuated the melamine-induced symptoms of anemia, 228 leukopenia, and innate and humoral immune disorders, but also restored hematological parameters, 229 including neutrophils, lymphocytes, serum IgG and nitric oxide (NO) levels
B.MollT.El-KalayM.KohneC.Soo HooW.EncinasJ.et al (2004)