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GHRP-6 Growth hormone releasing peptide studied in GH, cortisol, and ACTH secretion. View research notes → Ipamorelin / CJC-1295 GHRP + GHRH analog pair studied in pulsatile growth hormone release. View research notes → MOTS-c Mitochondria-encoded peptide studied in hormonal signaling and metabolic regulation. View research notes → PT-141 (Bremelanotide) FDA-approved melanocortin agonist for sexual dysfunction with hormonal signaling research. View research notes → Selank Synthetic peptide studied in HPA axis modulation and stress hormone regulation. View research notes → Tirzepatide Dual GIP/GLP-1 agonist studied in insulin, GIP, and GLP-1 hormonal pathways. View research notes → Test Peptide Selank (also called TP-7) is a synthetic heptapeptide derived from tuftsin, a naturally occurring tetrapeptide fragment of immunoglobulin G involved in immune regulation. View research notes → CJC-1295 CJC-1295 is a synthetic 29-amino acid peptide designed to mimic and extend the activity of endogenous growth hormone-releasing hormone (GHRH), the hypothalamic signal that instructs the pituitary to release growth hormone. View research notes → IGF-1 LR3 IGF-1 LR3, also written Long R3 IGF-I, is an 83-amino acid synthetic analog of human insulin-like growth factor-1 (IGF-1). View research notes → Tesamorelin Tesamorelin is a 44-amino acid synthetic analog of growth hormone-releasing hormone (GHRH), the hypothalamic peptide that signals the anterior pituitary to release growth hormone. View research notes → Cagrilintide Cagrilintide is a long-acting synthetic analog of amylin, a peptide hormone that is co-secreted with insulin from pancreatic beta cells. View research notes →