l glutathione wiki S-transferase L(-)-Glutathione | CAS#:27025-41-8 | Chemsrc

And Steven would gladly accept that it does as well

GHK-Cu is commonly discussed in scientific research because of its role in copper peptide research, extracellular matrix models, oxidative stress models, collagen-associated signalling, cellular repair pathways and tissue-related laboratory research

However , scientific proof for this mainly applies to people who already have a deficiency

doi: 10.1016/j.crneur.2022.100028 394 YanX.KusterD.MohantyP.NijssenJ.Pombo-GarcaK.Garcia MoratoJ.et al

We discuss how to maintain and improve eye health throughout life, the advantages and disadvantages of corrective lenses, including if you should wear readers, the use and risks of contact lenses, considerations for LASIK eye surgery, floaters, dry eye, the importance of sunlight and UV protection and specific exercises to improve eye and vision health