GHRP-6 Acetate

Product Overview

GHRP-6 Acetate (Growth Hormone-Releasing Peptide 6) is a synthetic met-enkephalin analog containing unnatural D-amino acids. It acts as an agonist at the growth hormone secretagogue receptor (GHS-R) and is notable for its dual mechanism of GH pulse induction and appetite modulation through ghrelin receptor activation. Its pulsatile GH release pattern more accurately mimics the body's natural secretory rhythm compared to continuous or exogenous hormone administration.

Mechanism of Action

GHRP-6 Acetate binds to ghrelin receptors in the pituitary gland, triggering intense GH-pulse release. It stimulates intracellular calcium mobilization and inositol phosphate production. The resulting GH pulses activate downstream signaling including JAK-STAT, MAPK/ERK, and PI3K/Akt pathways, influencing protein synthesis, lipid metabolism, and immune cell function.

Key Benefits

Muscle Growth Enhancement — Stimulates GH-mediated protein synthesis, promotes satellite cell proliferation for muscle fiber repair and hypertrophy, and increases IGF-1 production. Promotes lipolysis for improved body composition.

Appetite Regulation — Through ghrelin receptor agonism, GHRP-6 produces a marked increase in appetite by activating orexigenic neurons in the arcuate nucleus, increasing both meal frequency and size. Useful for conditions requiring increased caloric intake.

Performance & Recovery — Pulsatile GH release pattern supports enhanced tissue repair, accelerated cellular regeneration, and improved post-exercise recovery. Helps maintain lean mass during intense training periods.

Cellular Influence — GH-pulses activate JAK-STAT, MAPK/ERK, and PI3K/Akt pathways for protein synthesis regulation, improved lipid metabolism, and balanced immune system function.

References

1. Korbonits M, et al. Ghrelin — a hormone with multiple functions. *Front Neuroendocrinol.* 2004;25(1):27–68.
2. Berlanga-Acosta J, et al. Growth hormone releasing peptide-6 (GHRP-6) and other related secretagogue synthetic peptides. *Integr Mol Med.* 2016;3(2):616–623.
3. Zhao Y, et al. Growth hormone-releasing peptide 6 (GHRP-6) hydrogel for acute kidney injury therapy. *J Nanobiotechnology.* 2025;23(1):62.