Ipamorelin vs Sermorelin

Side-by-side comparison of peptide medications.

FeatureIpamorelinSermorelin
Categorygrowth-hormonegrowth-hormone
AdministrationSubcutaneous injectionSubcutaneous injection
Prescription RequiredYesYes

Ipamorelin

A selective growth hormone secretagogue receptor (GHSR) agonist that stimulates pulsatile growth hormone release without significantly raising cortisol, prolactin, or appetite. Considered one of the safest GH-releasing peptides.

Common uses: Growth hormone optimization, Anti-aging, Lean muscle support, Fat loss, Improved sleep

Sermorelin

A growth hormone-releasing hormone (GHRH) analog that stimulates the pituitary gland to produce and secrete growth hormone naturally. Often used as a gentler alternative to direct HGH therapy.

Common uses: Growth hormone optimization, Improved sleep, Body composition, Anti-aging