Ipamorelin is a synthetic peptide that people use to naturally boost their body's production of growth hormone, primarily for anti-aging benefits and improving body composition like building muscle and losing fat. Think of it as a gentle nudge to help your body produce more of the same growth hormone it made abundantly when you were younger.
When you take ipamorelin, it travels through your bloodstream to your pituitary gland, which is like your body's master control center sitting at the base of your brain. There, it acts like a very specific key that fits into special locks called ghrelin receptors. When ipamorelin binds to these receptors, it sends a signal that says "release more growth hormone" – and your pituitary gland responds by pumping out more of this valuable hormone into your system.
What makes ipamorelin particularly appealing is its precision. Imagine other similar peptides as master keys that open multiple doors at once, potentially triggering the release of stress hormones like cortisol or affecting your appetite. Ipamorelin, however, is more like a house key that only opens one specific door – it selectively triggers growth hormone release without significantly affecting these other systems, making it a cleaner, more targeted approach to hormone optimization.
Dosage Information
Typical Dose
200-300 mcg
Frequency
2-3 times daily
Administration
Subcutaneous injection
Half-Life
2 hours
Notes
Best administered on an empty stomach (at least 2 hours after eating). Pre-bed dosing is popular to enhance natural GH pulse during sleep. Often stacked with CJC-1295 for synergistic effect.
Why this matters
Short half-life; typically paired with CJC-1295 for sustained GH release.
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Evidence Score
0.12
Compound Data
Molecular Formula
C38H49N9O5
Molecular Weight
711.90 g/mol
IUPAC Name
(2S)-6-amino-2-[[(2R)-2-[[(2R)-2-[[(2S)-2-[(2-amino-2-methylpropanoyl)amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-3-naphthalen-2-ylpropanoyl]amino]-3-phenylpropanoyl]amino]hexanamide
PubChem CID
9831659Potential Side Effects
Ipamorelin discussions
Stacking Compatibility
In These Stacks
Quick Facts
- Administration
- Subcutaneous injection
- Typical Dose
- 200-300 mcg
- Frequency
- 2-3 times daily
- References
- 2 curated + 1 from PubMed
- Evidence Score
- 0.1 / 100
Frequently Asked Questions about Ipamorelin
What is Ipamorelin?
Ipamorelin is one of the most selective growth hormone secretagogues available. Unlike other GH-releasing peptides, it stimulates GH release without significantly affecting cortisol, prolactin, or appetite. This selectivity makes it one of the safest and most popular peptides for anti-aging and body composition improvement.
How does Ipamorelin work?
Ipamorelin selectively binds to the ghrelin/growth hormone secretagogue receptor (GHS-R) in the pituitary gland, triggering a dose-dependent release of growth hormone. Unlike GHRP-6 or GHRP-2, it does not significantly stimulate ACTH, cortisol, or prolactin release, making it highly selective for GH secretion only.
What is the recommended dosage for Ipamorelin?
The typical dose is 200-300 mcg. 2-3 times daily. Administration: Subcutaneous injection. Best administered on an empty stomach (at least 2 hours after eating). Pre-bed dosing is popular to enhance natural GH pulse during sleep. Often stacked with CJC-1295 for synergistic effect.
What are the side effects of Ipamorelin?
Head rush (temporary). Mild water retention. Tingling in extremities. Sleepiness post-injection
Questions reflect common community inquiries. This is not medical advice.