A synthetic heptapeptide (7 residues) analogue of ACTH(4–10), comprising the ACTH(4–7) fragment with a C-terminal Pro-Gly-Pro extension. Examined in preclinical models for effects on BDNF expression and TrkB receptor signaling. Lyophilized, HPLC-verified, COA supplied with every batch. For laboratory research use only. Not for human consumption.