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Corticosterone and cortisol are the most relevant neuroactive steroids belonging to this group, and the adrenal cortex is the main source of these neuroactive steroids in the organism, which easily cross the blood-brain barrier ( Figure 1 summarizes a general scheme of steroidogenesis in the CNS as well as different tissues of the maternal-placental-fetal unit

NAC is a powerful precursor that helps the liver replenish its own stores of antioxidants, while liposomal glutathione provides immediate support for detoxification pathways

It is also vital for immune function, helping to fight infections and diseases

(Vickers and Satyanarayana 2002)

Choice of peptide in research depends on the target pathway and study goals