The functions of the BBB and BCB include: protection of the brain from pathogens and toxic metabolites, the separation of the brain and periphery neurotransmitter pools, intake of essential nutrients and discharge of metabolites, and maintaining the immune privilege of the brain, where the immune activity is mainly accomplished by internal microglia rather than, e.g., bone marrow or thymus-derived immune cells (Galea et al., 2007
So, if you're a researcher looking for a compound that directly agonizes the HPTA to study testosterone production, this stack isn't your variable
10.1093/burnst/tkac022 48 WangJ.FuY.HuangW.BiswasR.BanerjeeA.BroussardJ
Since glutathione is an antioxidant that the body needs to absorb efficiently, taking it when there is less competition from food may improve how well it works
Glutathione levels decline with age, chronic illness, high oxidative load (alcohol, medications, pollution, chronic stress), and acute illness