Ipamorelin
Symbol Ip · MW 712 Da
Selective GH secretagogue with minimal effect on cortisol or prolactin.
- Discovered
- 1998
- Half-life
- 2 hours
- Approval
- Not FDA-approved
Reported effects
- Lean muscle support
- Improved sleep
- Fat metabolism
Overview
Ipamorelin is a selective growth hormone secretagogue known for stimulating natural GH release with fewer appetite-related effects compared with older peptides like GHRP-6. It is commonly associated with recovery, sleep quality, body composition, lean muscle support, and age-related hormone optimization. Ipamorelin is often considered one of the gentler GH peptides because it is designed to have less impact on cortisol and prolactin. Its purpose is to support the growth hormone axis while maintaining a more targeted hormone-signaling profile. As a hormone peptide, Ipamorelin is one of the most widely discussed options for natural GH stimulation.
How it's taken
- Typical Administration
- Injectable
- Typical Dosage
- No established approved dosage; commonly referenced range is 100–300 mcg per injection
- Typical Frequency
- 1–3 times daily
Research sources
Source links included from peer-reviewed literature and trusted medical journal records for this peptide.
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For educational purposes only. Many peptides shown are research compounds and not approved for human use in all jurisdictions.