Sustained Levels : While oral glutathione provides gradual, low-level increases, IV therapy creates sustained therapeutic levels that can last weeks to months
Its bioavailability is reduced by potentially toxic elements (PTEs) and sulfur, but it increases in the presence of vitamins A, C, E, and proteins containing methionine [55,57]
In the absence of effective oral supplements, people have turned to glutathione precursors , compounds that stimulate the bodys own natural production of glutathione, such as whey protein and NAC (n-acetyl-cysteine)
doi:10.1128/CMR.14.2.296-326.2001
Often used for whitening and detoxification
Many people use this time to read, work on their laptop, or simply relax