l-glutathione gsh reduced (GSH) transferase) L-Glutathione (reduced, GSH) | Eon
Description
Proc Natl Acad Sci U S A 114, E6034E6043 (2017)

The solution should remain stable without sediment, turbidity, or color fading under normal storage conditions

So let us anchor to what the data genuinely supports rather than the transformation reels

PA++ and above is good enough in Indian context