GHRP-2

Growth Hormone Releasing Peptide-2

AI explanation

GHRP-2 is a small protein-like molecule that people use to boost their body's natural production of growth hormone. Think of it as a key that unlocks your body's ability to release more of the hormone that helps with muscle building, recovery, and fat burning. People turn to GHRP-2 when they want the benefits of elevated growth hormone without dealing with intense hunger pangs that some similar compounds cause.

Here's how it works in your body: imagine your pituitary gland as a warehouse storing growth hormone, with a very particular lock on the door. GHRP-2 acts like a master key that fits perfectly into special receptors in that warehouse. When it clicks into place, it sends a strong signal telling your pituitary to open the floodgates and release a surge of growth hormone into your bloodstream. But GHRP-2 is clever – it also quiets down somatostatin, which is like your body's "stop" signal for hormone release. By turning down that internal brake system, GHRP-2 amplifies the whole process, creating a more powerful and sustained release of growth hormone than your body might produce naturally.

Dosage Information

Typical Dose

100-300 mcg

Frequency

2-3 times daily

Morning or evening

Administration

Subcutaneous injection

Half-Life

15–60 minutes

Notes

Best on empty stomach. Often considered a more refined alternative to GHRP-6 for those who do not want appetite stimulation. Excellent when combined with CJC-1295.

Why this matters

Rapid onset, short duration; often stacked with a GHRH for synergistic GH release.

Protocol cycle

4-6 weeks on on4 week off

Dose Calculator

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Concentration: 2,500 mcg/mL

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Where does GHRP-2 sit?

See how this peptide compares across all 150 peptides in our database.

Evidence Score

0.47

Clinical trials
0.3335%
Literature
0.6730%
Community
0.0020%
Completeness
1.0015%
3 RCTs1 clinical trials2 reviews

Compound Data

GHRP-2 structure

Molecular Formula

C45H55N9O6

Molecular Weight

818.00 g/mol

IUPAC Name

(2S)-6-amino-2-[[(2R)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2R)-2-aminopropanoyl]amino]-3-naphthalen-2-ylpropanoyl]amino]propanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-phenylpropanoyl]amino]hexanamide

PubChem CID

6918245

Potential Side Effects

Mild hunger increaseWater retentionPossible cortisol elevationTinglingProlactin increase (higher doses)
Pep Talk

GHRP-2 discussions

Quick Facts

Administration
Subcutaneous injection
Typical Dose
100-300 mcg
Frequency
2-3 times daily
References
2 curated + 49 from PubMed
Clinical Trials
1 registered
Evidence Score
0.5 / 100

Frequently Asked Questions about GHRP-2

What is GHRP-2?

GHRP-2 is considered one of the most potent growth hormone releasing peptides available. It stimulates GH release more effectively than GHRP-6 with less pronounced appetite stimulation, making it a preferred choice for those seeking strong GH elevation without excessive hunger.

How does GHRP-2 work?

GHRP-2 binds to the GHS-R1a receptor with high affinity, triggering robust GH release from pituitary somatotrophs. It also suppresses somatostatin tone, amplifying the GH pulse. Compared to GHRP-6, it produces a stronger GH release per microgram while activating ghrelin-mediated hunger pathways to a lesser degree.

What is the recommended dosage for GHRP-2?

The typical dose is 100-300 mcg. 2-3 times daily. Administration: Subcutaneous injection. Best on empty stomach. Often considered a more refined alternative to GHRP-6 for those who do not want appetite stimulation. Excellent when combined with CJC-1295.

What are the side effects of GHRP-2?

Mild hunger increase. Water retention. Possible cortisol elevation. Tingling. Prolactin increase (higher doses)

What is the GHRP-2 cycle protocol?

GHRP-2 is typically cycled 4-6 weeks on on and 4 week off.

Questions reflect common community inquiries. This is not medical advice.