However, the jury is still out regarding its definitive effectiveness
The catalytic centre of Sec-GPXs was first characterised as a triad composed of Sec or Cys, glutamine (Gln) and tryptophan (Trp) 13 , but later turned out to be a tetrad with an additional asparagine (Asn) 14,15
Reported adverse effects of IV glutathione include adverse cutaneous eruptions including potentially fatal Stevens-Johnson syndrome and toxic epidermal necrolysis, severe abdominal pain, thyroid dysfunction, renal dysfunction, and lethal complications such as air embolism or potentially fatal sepsis due to incorrect/unsterile method of IV administration, with side effects on the use of injectable glutathione for skin lightening including toxic effects on the liver, kidneys, and nervous system
Side effects are usually mild and may include redness or swelling at the injection site
But it does more than support your immune system