glutathione peroxidase components 2 - an overview Glutathione peroxidase 4 - Wikipedia
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BPC-157 also shifts follicles from the resting telogen phase toward the active anagen phase, an effect consistent with its documented tissue-repair and growth-promoting properties in other biological contexts [1]

This damages the myelin sheath around nerve fibers

Besides, it is interesting to note that the bacteria also produce ROS (32)

For example: Pairing BPC-157 with TB-500 enhances tissue repair and mobility while also reducing inflammation

doi: 10.1111/j.1365-2796.2010.02300.x

Research in aged rats subjected to mild hypothermia stress demonstrates that Pinealon treatment promotes accumulation of serotonin in the cerebral cortex, suggesting the peptide's ability to support neurotransmitter levels during metabolic stress conditions