Research has found that liposomal glutathione can result in substantially higher blood levels of GSH after supplementation, with up to 5x increased absorption compared to traditional forms
To test this hypothesis, we introduced phosphomimetic serine/threonine to aspartate substitutions at serine-13, serine-282, and threonine-761 of R155H (or R159H) VCP to bypass the need for ULK-mediated phosphorylation
157187 (John Wiley & Sons, 2008)
This is very common in vegetarians and vegans
Compared to classical ones, they have the advantage of being widely available, less expensive, more stable, and fewer side effects
Hurd YL, Manzoni OJ, Pletnikov MV, Lee FS, Bhattacharyya S, Melis M