Side-by-side comparison
Ipamorelin
GH Secretagogue PeptideSafety 7/10Growth hormone secretagogue research
vs
Sermorelin
Secretagogue PeptideSafety 8/10Growth hormone secretagogue research
Ipamorelin
Sermorelin
Cheapest price
$34.16 /10mg
$21.25 /5mg
Vendors stocking
32
22
Safety rating
7/10
8/10
Mol. weight
711.85 g/mol
3,357.93 g/mol
Administration
Subcutaneous injection
Subcutaneous injection
Price Comparison — 2026
Ipamorelin
VendorPrice
Sermorelin
VendorPrice
Vendors Carrying Both
22 vendors stock both Ipamorelin and Sermorelin — convenient if you want to bundle an order.
Safety Notes
Ipamorelin
FDA: Not FDA-approved
Most selective GHRP; minimal cortisol/prolactin; human PK data; widely used with good anecdotal safety
Sermorelin
FDA: Previously FDA-approved
Was FDA-approved (discontinued for commercial reasons, not safety); injection site reactions; well-tolerated
Explore Further
Ipamorelin
Sermorelin