GHRP-6
Also known as: Growth Hormone Releasing Peptide-6
GHRP-6 is a potent stimulator of natural growth hormone secretion. It also increases appetite and aids in energy metabolism, making it popular for building muscle mass and strength.
Beginner Basics
Plain-English guide to GHRP-6
What it does
GHRP-6 signals your body to release more of its natural growth hormone, which researchers study for building muscle, burning fat, and increasing appetite. People typically use it because growth hormone supports muscle growth and recovery.
Typical dose
100-200 micrograms injected under the skin 2-3 times per day, commonly taken when you wake up, after workouts, and before bed on an empty stomach.
When to inject
Best used first thing in the morning (fasted), after workouts, and before bed-timing it away from meals helps your body's natural response work better.
Storage
Keep the dry powder in the refrigerator before mixing. Once mixed with water, store in the refrigerator between 36-46°F and use within 2-3 weeks.
First-timer tip
Expect a noticeable increase in hunger-plan your meals accordingly and inject on an empty stomach for the strongest effect.
On This Page
Research Status
Research compound
For research purposes only. Not approved for human use. Not medical advice.
Research Areas
Side Effects
Occurs within 30–60 minutes of injection and persists for 2–4 hours. This is a direct result of ghrelin receptor activation. Manage by timing injections away from meals or planning caloric intake accordingly. Some users find this beneficial for bulking phases; others find it problematic.
Reported with chronic GH elevation from secretagogues. Results from fluid retention and nerve compression in the wrist. Onset is typically gradual (weeks to months). Manage with wrist splinting, NSAIDs, or dose reduction. Discontinue if symptoms worsen.
Related to fluid retention and nerve compression. Usually resolves with dose reduction or cycling off the peptide. Monitor for progression to carpal tunnel syndrome.
May result from rapid GH elevation and increased IGF-1 signalling. Typically mild and self-resolving. Manage with rest, NSAIDs, or dose adjustment.
Reported in some users, possibly related to fluid retention or rapid GH elevation. Usually mild and transient. Manage with hydration and over-the-counter analgesics.
Occurs shortly after injection, likely due to vasodilation from GH and cortisol release. Resolves within 30–60 minutes. No intervention required.
Local inflammatory response at the injection site. Minimise by rotating sites, using sterile technique, and allowing the solution to reach room temperature before injection. Apply ice if swelling occurs.
Reported occasionally, possibly related to rapid GH elevation or injection timing. Usually resolves within 1–2 hours. Inject on an empty stomach to reduce risk.
Chronic GHRP-6 use leads to receptor desensitisation, reducing GH response magnitude. Manage by cycling the peptide (e.g., 5 days on, 2 days off, or 8 weeks on, 4 weeks off). Alternating with other secretagogues (e.g., GHRP-2, ipamorelin) may help maintain responsiveness.
GHRP-6 stimulates cortisol release alongside GH. Chronic elevation may impair recovery and increase catabolic effects. Monitor cortisol levels if using long-term. Manage with adequate sleep, stress reduction, and cycling.
GHRP-6 stimulates prolactin release, though less potently than GH. Rarely clinically significant at research doses. Monitor if using high doses or long-term.
Results from repeated injections at the same site. Prevent by rotating injection sites systematically. Lipodystrophy is usually reversible if sites are rotated.
GH is counter-regulatory and typically raises blood glucose, but some users report transient hypoglycaemia, especially if fasted. Monitor blood glucose if diabetic or sensitive to hypoglycaemia. Inject with a small carbohydrate source available.
Dosing Reference
| Parameter | Value |
|---|---|
| Dose range | 100-200 mcg |
Frequency, timing and route - members only | |
Research disclaimer
Figures drawn from published research literature and community logs. Not clinical recommendations. Consult a qualified professional. Research use only.
Reconstitution Guide
Do not use saline or bacteriostatic saline, use only bacteriostatic water for reconstitution
Do not shake the vial vigorously; gentle swirling prevents peptide degradation
Discard immediately if the solution appears cloudy, discolored, or contains visible particles
Use within 30 days of reconstitution when stored at 2-8°C
Do not freeze the reconstituted solution; freezing may denature the peptide
Use the PeptideVolt reconstitution calculator for your exact concentration
Molecular and Pharmacological Data
| Molecular weight | 873 |
| Half-life | 30 minutes (plasma); GH response lasts 2–4 hours |
| Sequence | Members only |
GHRP-6 is a synthetic hexapeptide that acts as a ghrelin receptor agonist, binding to growth hormone secretagogue receptors (GHS-R1a) on pituitary somatotroph cells and hypothalamic neurons. This stimulates the release of endogenous growth hormone in a pulsatile manner, mimicking the body's natural GH secretion pattern. GHRP-6 also increases appetite through ghrelin pathway activation and enhances metabolic rate, supporting muscle protein synthesis and lipolysis.
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Recent Research
Growth Hormone-Releasing Peptide-6 (GHRP-6) Ameliorates Post-Infarct Ventricular Remodeling and Systolic Dysfunction in a Model of Permanent Coronary Ligation.
Growth hormone releasing peptide-6 (GHRP-6) ameliorates acute lung injury and its subsequent evolvement to interstitial fibrosis.
Growth hormone-releasing peptide 6 (GHRP-6) hydrogel for acute kidney injury therapy via metabolic regulation.
Source: PubMed / NCBI. Updated daily. Articles are listed for research reference only.
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View all peptidesResearch Use Only. All content on this page is provided for informational and educational purposes related to scientific research. GHRP-6 is not approved for human use by the FDA or any equivalent regulatory body. This is not medical advice. Do not use any substance discussed here for therapeutic, diagnostic, or preventative purposes. Consult a qualified healthcare professional before making any health-related decisions. The Peptide Volt does not endorse the use of any research chemicals. 18+ only.