File:Cycle glutamyl.png Wikimedia Commons Ascorbate Glutathione Cycle and Biotic Stress Tolerance in Plants Springer Nature Link The effectiveness of compound X is oftentimes dependent on the presence of compounds Y and Z and so on. Endogenous compounds like glutathione get a lot of commercial attention but they do The ascorbate glutathione pathway (Halliwell Asada cycle) is an indispensible component of the ROS homeostasis mechanism of plants. triyambak.org Triyambak Life Sciences GHK Cu Copper tripeptide (1% solution) Sapolita