Side-by-side comparison
Retatrutide vs Tirzepatide — Price & Profile Comparison
Retatrutide
Triple-Action Metabolic CompoundSafety 7/10GLP-1 / metabolic research
Tirzepatide
GIP/GLP-1 PeptideSafety 8/10Metabolic / weight research
The short answer
Retatrutide vs Tirzepatide: which to choose
Tirzepatide is the cheaper option — roughly $13 vs $25 for the lowest verified listing. Retatrutide is the more widely stocked of the two (40 vendors vs 32). Tirzepatide carries the higher safety rating (8/10 vs 7/10). They target different goals — Retatrutide is a triple-action metabolic compound compound while Tirzepatide is a gip/glp-1 peptide one — so they're often complementary rather than direct substitutes.
Price Comparison — 2026
Retatrutide
Tirzepatide
Vendors Carrying Both
32 vendors stock both Retatrutide and Tirzepatide — convenient if you want to bundle an order.
Safety Notes
Retatrutide
FDA: Not FDA-approved (Phase III)
Phase II showed strong efficacy/tolerability; GI side effects; novel mechanism; promising safety data
Tirzepatide
FDA: FDA-approved (Mounjaro/Zepbound)
Extensive Phase III data; GI side effects manageable; thyroid warning animal-only; strong efficacy
Explore Further
Retatrutide
Tirzepatide