Melatonin induces reactive oxygen species generation and changes in glutathione levels and reduces viability in human pancreatic stellate cells Journal of Physiology and Biochemistry Springer Nature Link The benefit of a supplement with the antioxidant melatonin on redox status and muscle damage in resistance trained athletes JPP No 4 2015 article 10 SandMan Bullet (Glutathione & Melatonin)+ without CBD Frontiers Melatonin as a regulator of apoptosis in leukaemia: molecular mechanism and therapeutic perspectives Melatonin and nitric oxide modulate glutathione content and glutathione reductase activity in sunflower seedling cotyledons accompanying salt stress ScienceDirect