Hexarelin (5mg) is a synthetic growth hormone-releasing peptide (GHRP) that stimulates the release of growth hormone in the body. Most commonly sold as a lyophilized powder for laboratory research, it is primarily studied for its potential to increase strength, improve muscle recovery, and support cardiovascular health.
Core Mechanisms and Uses
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- Growth Hormone Secretion: It acts on the pituitary gland by mimicking ghrelin, producing strong and sustained pulses of growth hormone.
- Muscle & Bone Support: It is frequently investigated for its ability to promote muscle growth, reduce bone loss, and limit muscle wasting.
- Cardioprotection: Uniquely among GHRPs, Hexarelin is studied for its ability to bind to CD36 receptors, which may protect the heart against ischemic injury and reduce cardiac fibrosis.
- Receptor Desensitization: A distinct characteristic of Hexarelin is that it can cause rapid receptor desensitization if used continuously, which is why researchers often use it in strict cycles.
Handling and Administration
- Reconstitution: The 5mg freeze-dried powder requires reconstitution using a diluent, typically sterile bacteriostatic water, to prepare it for subcutaneous or intramuscular administration
- Storage Guidelines: Lyophilized powder is generally stable at room temperature for brief periods but should be stored at -20° C or below for long-term use. Once reconstituted, it must be refrigerated at 2° C to 8° C and used within 3–4 weeks




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