Glutathione can also be taken through intravenous (IV) insertion. Usually, people prefer taking glutathione via IV since the effect is faster as compared to the oral glutathione. According to the users, the whitening effect can usually be observed after 2 weeks. The efficacy is also increased when it is combined with vitamin C. The combination of vitamin C and glutathione enhances your immunity, reduces tiredness, and gives more youthful, radiant skin.
How is it administered?
It is given intravenously in the arm by IV push over 10 to 15 minutes usually three times a week.