Its illegal for human use in most countries, including the U.S., UK, and EU
Thats why its essential to have a thorough evaluation by a healthcare provider
Growth hormone production peaks in adolescence and declines through adulthood, and IGF-1, the downstream messenger that drives muscle protein synthesis and tissue repair, declines along with it
Only reduced glutathione (GSH) is actually biologically active
Repurposing of already approved drugs has been explored, for example, disulfiram, a drug traditionally used to treat alcohol dependence, can lower cystine levels in cystinotic cells, but has side effects that limit its use in cystinosis [151, 153]