This outcome measurement heterogeneity means that even studies nominally measuring the same endpoint often do not measure equivalent constructs, which inflates between-study variance and reduces the interpretability of pooled meta-analytic estimates
Research involving ordinary oral or liposomal glutathione has commonly evaluated amounts ranging from several hundred milligrams to approximately 1,000 milligrams daily
Skin lightening is not a registered indication for glutathione infusions
Kim JK, Firan M, Radu CG, Kim CH, Ghetie V, Ward ES
Do not use during pregnancy or breastfeeding
Powder is more stable, but moisture absorption or clumping is a sign of structural change and possible contamination