In addition, acetyl-L-carnitine enables the formation of the important neurotransmitter acetylcholine, an indispensable messenger for numerous cognitive processes that is required for the transmission of stimuli and information in the brain
doi: 10.1016/j.jaci.2019.07.044 268 HalkenS
Glutathione plays important roles in intracellular redox balance, cellular defense, nutrient metabolism, and regulation of cellular events (including gene expression, DNA and protein synthesis, cell proliferation and apoptosis, signal transduction, cytokine production, and immune response, and protein glutathionylation) throughout the body
That sounds incredibly technical, but the concept is surprisingly straightforward