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Hexarelin
Hexarelin is a synthetic growth hormone secretagogue and part of the GHRP (Growth Hormone-Releasing Peptide) family. It works by stimulating the release of growth hormone (GH) through activation of the ghrelin receptor. Hexarelin is well-studied for its potent GH-releasing effects, as well as its potential to support muscle growth, fat loss, and cardiovascular health.
Quantity: 1
All peptides arrive in powdered form for stability
What is Hexarelin?
Hexarelin is a synthetic growth hormone-releasing peptide (GHRP) composed of six amino acids. It mimics ghrelin, the body's natural "hunger hormone," and binds to the GHSR-1a receptor to stimulate the pituitary gland to release growth hormone (GH). Hexarelin is recognized for its strong GH release, muscle-building, fat-reducing, and cardioprotective properties in research models.
Potential Benefits Shown in Studies
- Increasing natural growth hormone and IGF-1 levels
- Supporting lean muscle growth and recovery
- Reducing body fat and improving metabolism
- Enhancing strength and physical performance
- Improving sleep and tissue regeneration
- Offering potential heart-protective effects (in animal studies)
- Promoting bone health and anti-aging benefits
Mechanisms of Action
Hexarelin works by:
- Stimulating pulsatile GH secretion from the pituitary
- Activating the ghrelin receptor (GHSR-1a) in the brain and heart
- Increasing IGF-1 production, promoting growth and repair
- Enhancing cardiac cell survival, protecting the heart from damage
- Boosting muscle growth, recovery, and lipolysis
Its potency is considered stronger than other GHRPs like GHRP-6 or GHRP-2.
Molecular Structure of Hexarelin

Sequence
His-D-2-methyl-Trp-Ala-Trp-D-Phe-Lys-NH₂
Molecular Properties
Hexarelin Research Highlights
Hexarelin has demonstrated a strong, dose-dependent GH release in both animals and humans, with a prolonged GH elevation compared to natural ghrelin.
By increasing GH and IGF-1, Hexarelin promotes muscle hypertrophy, faster recovery, and reduced catabolism, especially under stress or after injury.
Hexarelin has shown promise in protecting cardiac cells, improving left ventricular function, and reducing damage post-myocardial infarction.
As a GH secretagogue, Hexarelin indirectly supports fat oxidation, especially visceral fat, without causing significant cortisol or prolactin spikes.