Side-by-side comparison
Sermorelin
Secretagogue PeptideSafety 8/10Growth hormone secretagogue research
vs
Ipamorelin
GH Secretagogue PeptideSafety 7/10Growth hormone secretagogue research
Sermorelin
Ipamorelin
Cheapest price
$21.25 /5mg
$34.16 /10mg
Vendors stocking
21
31
Safety rating
8/10
7/10
Mol. weight
3,357.93 g/mol
711.85 g/mol
Administration
Subcutaneous injection
Subcutaneous injection
Price Comparison — 2026
Sermorelin
VendorPrice
Ipamorelin
VendorPrice
Vendors Carrying Both
21 vendors stock both Sermorelin and Ipamorelin — convenient if you want to bundle an order.
Safety Notes
Sermorelin
FDA: Previously FDA-approved
Was FDA-approved (discontinued for commercial reasons, not safety); injection site reactions; well-tolerated
Ipamorelin
FDA: Not FDA-approved
Most selective GHRP; minimal cortisol/prolactin; human PK data; widely used with good anecdotal safety
Explore Further
Sermorelin
Ipamorelin