Another source of reducing equivalents comes from the selective transport of GSH, rather than GSSG, from the cytosol into the ER lumen
However, the effectiveness of any glutathione supplement depends entirely on its delivery
However, I can say that our recent results suggest that oral GSH supplementation can be an effective means of increasing the bodys stores of GSH
Mol Cell Biol 22(21):74057416 Krajarng A, Imoto M, Tashiro E, Fujimaki T, Shinjo S, Watanapokasin R (2015) Apoptosis induction associated with the ER stress response through up-regulation of JNK in HeLa cells by gambogic acid
Friedmans top recommendations are in red
However, because it alters the bodys hormone levels, side effects can still occur