Ipamorelin
Ipamorelin
Also known as: IPA, NNC 26-0161
Overview
Key Facts
Primary Goal: Research and therapeutic applications of Ipamorelin
Selectively activates the GHS-R1a (ghrelin) receptor on pituitary somatotrophs. Triggers intracellular calcium signaling to promote GH vesicle exocytosis.
Dosing Information
~2 hours
100–300 mcg
2-3 times daily
8-16 weeks
Benefits
- Clean GH release with minimal side effects
- Does not significantly increase cortisol or prolactin
- Improved sleep architecture and deep sleep
- Enhanced recovery from exercise and injury
- Gradual improvement in body composition
- Minimal impact on appetite
Side Effects
Mechanism of Action
Selectively activates the GHS-R1a (ghrelin) receptor on pituitary somatotrophs
Triggers intracellular calcium signaling to promote GH vesicle exocytosis
Does not activate pathways associated with cortisol or prolactin release
Contraindications
Do not use this peptide if any of the following apply:
- Active malignancy
- Pregnancy or breastfeeding
- Known hypersensitivity to the compound
Storage & Reconstitution
Unreconstituted (Powder)
Reconstituted (Mixed)
Research Summary
Ipamorelin has been studied in multiple clinical trials including post-operative ileus and growth hormone deficiency models. Research consistently demonstrates dose-dependent GH release with a favorable selectivity profile, showing no clinically significant increases in ACTH, cortisol, or prolactin at therapeutic doses. It is widely regarded as the most side-effect-friendly GHRP.
Frequently Asked Questions
Common questions about Ipamorelin
UK-Specific Information
Exclusive data points and guidance for UK residents using Ipamorelin
UK Lab Testing
UK Lab Testing
Recommended labs: Medichecks, Thriva (£89-£149 for peptide safety panel)
Why this matters: UK-specific lab testing guidance not available on US competitor sites
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Note: Peptide stacking should only be done under the guidance of a qualified healthcare professional. Individual responses may vary.
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