Glutathione More Drug_side_effects What Is The Difference Between L-glutathione And Reduced Glutathione?

What is the difference between l-glutathione and reduced glutathione? - glutathione more drug_side_effects

I need to know such as L-glutathione reduced glutathione is different or the same? I have also heard that the side effects of L-glutathione whitening is similar, but not permanent or is it?