Limited randomized controlled trials of glutathione from isolated supplements have shown inconsistent results about effects on body levels of glutathione, immune function and markers of oxidative stress, and have used daily doses many times greater than amounts found in a serving of asparagus
Composed of sterile water and a natural preservative called benzyl alcohol, bacteriostatic water resists bacterial proliferation to combat contamination
Lin J-P, Tian J, You J-FF, Jin Z-HH, Xu Z-NN, Cen P-LL, Lin HP, Tian J, You J-FF, Jin Z-HH, Xu Z-NN, Cen P-LL, Lin J-P, Tian J, You J-FF, Jin Z-HH, Xu Z-NN, Cen P-LL (2004) An effective strategy for the co-production of S-adenosyl-L-methionine and glutathione by fed-batch fermentation
Both are well-characterized and suitable for skin research applications in 2026