glutathione dr herbert nagasawa Red blood cells in biology and translational medicine: natural vehicle inspires new biomedical applications The Role of Dietary Ingredients
Description
Peptide response varies substantially across species, and no established therapeutic dosing guidelines exist outside research contexts

So the evidence is there

In some situations, you should have cataract surgery when it advances to the point where its severely obstructing your vision

1997 Aug;97(2):81-91
