glutathione s-transferase activity transferases: substrates, inihibitors and pro-drugs in cancer and neurodegenerative diseases Sensitive glutathione S-transferase assay based

Acta 1800 , 783792, (2010)

Vitamins assist

Most research suppliers note the following: Safe handling at room temperature for several days Many sequences remain stable for roughly 1 to 3 weeks Some well-protected lyophilized peptides may last longer under very dry, low humidity conditions Highly sensitive sequences should be moved to cold storage sooner Lyophilized peptides can be kept at room temperature for short-term handling or transport

I do see and feel it helping with my appetite

Even with perfect refrigeration, potency declines logarithmically after the 4-week mark a vial stored for 35 days may appear clear but contain predominantly oxidised, therapeutically inert peptide

There is a lot you can do to promote youthful skin, from wearing sunscreen to eating a diet rich in fruits, vegetables and foods that support glutathione production