l-glutathione vs l-glutathione reduced L-Glutathione, reduced, 97% Glutathione Reduced SA pack of

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GHK-Cu Peptide Accelerates Wound Healing and Tissue Repair in Rats. The Journal of clinical investigation.Study breakdown PubMed 6RPEP-01007Arul, V et al

Along the same line, depleting endogenous GSH with BSO had a worsening effect in some of the models above, including chemically induced pulmonary edema, 21 cigarette smoke, 31 carrageenan-induced pleurisy, 32 and endotoxin-induced pulmonary inflammation

If correct, this introduces another possible point of contamination and means the photograph attached to the report cant establish the condition in which the seller originally supplied the product