is glutathione a monoamine Visual representation of the pathway by which Monoamine oxidase: isoforms and inhibitors
Description
While some may be tempted by claims of "faster" results, medical consensusincluding warnings from the Philippines FDA (2019)strongly advises against the use of injectable glutathione for skin lightening

[DOI] [PMC free article] [PubMed] [Google Scholar] 75.Bertelli A., Giovannini L., Giannessi D., Migliori M., Bernini W., Fregoni M., Bertelli A

Based on the above evidence, the hypothesized role for ferroptosis may be a new direction in the study of retinoblastoma

Some physicians limit B12 shots only to those with documented deficiencies or absorption issues to prevent unnecessary treatment where dietary B12 is sufficient
