"This glutathione is much more stable and it's easier to absorb." DR. Jai, Tama si Dr. Jai! Hikari Aurum gives you 5x the power of regular glutathione. Kaya sure ang holiday glow mo! , Stop guessing, start glowing. Most glutathione breaks down before it even works. Thats why Asta S Glutronic is different. Our S Acetyl Glutathione from France is clinically proven for stability and Figure 13, Stability of the Probe ML214 in the Presence of Glutathione Probe Reports from the NIH Molecular Libraries Program NCBI Bookshelf L Glutathione vs. oxidized vs. Reduced Glutathione