The vitamin B 12 coenzymes are unstable in light
[12] The benefit was associated with an anti-inflammatory effect together with increased numbers of OPCs and mature oligodendrocytes in the CNS, with BrdU labeling indicating that the peptide stimulated OPC proliferation and their maturation into myelinating cells
TB-500 (the other half of the Wolverine stack) is a lab-made fragment of a natural protein, thymosin beta-4, and it reached the wellness market by way of the racetrack, where its given to horses and greyhounds
GHK-Cu is a legitimate, well-tolerated peptide with a real (if modest) evidence base for supporting hair growth through tissue repair, angiogenesis, and anti-inflammatory mechanisms
Overall, clinical evidence supports its potential as a controlled research peptide for metabolic health studies, not as a therapeutic agent