Side-by-side comparison
TB-500 vs Ipamorelin — Price & Profile Comparison
TB-500
Cellular PeptideSafety 6/10Tissue repair research
Ipamorelin
GH Secretagogue PeptideSafety 7/10Growth hormone secretagogue research
The short answer
TB-500 vs Ipamorelin: which to choose
TB-500 is the cheaper option — roughly $28 vs $34 for the lowest verified listing. Ipamorelin is the more widely stocked of the two (39 vendors vs 29). Ipamorelin carries the higher safety rating (7/10 vs 6/10). They target different goals — TB-500 is a cellular peptide compound while Ipamorelin is a gh secretagogue peptide one — so they're often complementary rather than direct substitutes.
Price Comparison — 2026
TB-500
Ipamorelin
Vendors Carrying Both
27 vendors stock both TB-500 and Ipamorelin — convenient if you want to bundle an order.
Safety Notes
TB-500
FDA: Not FDA-approved
Parent protein TB4 has Phase II data; fragment widely used anecdotally; proangiogenic concern theoretical
Ipamorelin
FDA: Not FDA-approved
Most selective GHRP; minimal cortisol/prolactin; human PK data; widely used with good anecdotal safety
Explore Further
Ipamorelin