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Lewis, Boca Raton, pp 469519 Monostori P, Wittmann G, Karg E, Tri S (2009) Determination of glutathione and glutathione disulfide in biological samples: an in-depth review

For comprehensive skin ageing research programmes targeting multiple biological hallmarks simultaneously or for in vivo studies where composite outcomes (surface texture + collagen density + senescent cell burden + antioxidant status) are assessed the combination design utilising both peptides as mechanistically complementary tools provides the richest experimental dataset

By supporting both energy production and neural connectivity, this approach represents a broader and more integrated direction in brain optimization

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