reduced l-glutathione 250 mg benefits Healthy Origins® (Setria®) 250mg "reduced" Benefits of Glutathione - Helps

Schaller A, Stintzi A, Rivas S, Serrano I, Chichkova NV, Vartapetian AB et al (2018) From structure to function - a family portrait of plant subtilases

To perform these functions, it must be present in a so-called reduced form

(PubMed) Namazi N, Larijani B, Azadbakht L

Lipid peroxidation preferentially accumulates at lysosomal membranes and precedes lysosome rupture, transcription factor EB (TFEB) activation, and cathepsin-dependent plasma membrane breakdown, thereby positioning lysosomal stress at the center of population-scale death amplification

You might see labels for glutathione, L-glutathione, or reduced glutathione, leading many to wonder if these are different nutrients or simply different names for the same thing