Tirzepatide
$2.50/mg
lowest tracked
Tirzepatide is a synthetic peptide that acts as a dual agonist of the GIP and GLP-1 receptors.
14 vendorscheapest vial $149.99 · 60mg
Vendor
Variant
$/mg
Live · GLP-1 Price Tracker · Research Use Only
GLP-1 peptide price tracker
Side-by-side price comparison for GLP-1, GIP and glucagon receptor research peptides — Semaglutide, Tirzepatide, Retatrutide, Cagrilintide, Survodutide and Mazdutide. Prices normalized to dollars per milligram across 34 vendors.
Prices refreshed 2026-06-03
At a glance — lowest tracked $/mg
| Peptide | Vendors | Lowest $/mg |
|---|---|---|
| Tirzepatide | 14 | $2.50/mg |
| Semaglutide | 17 | $3.33/mg |
| Retatrutide | 15 | $5.17/mg |
| Mazdutide | 9 | $5.90/mg |
| Survodutide | 8 | $7.90/mg |
| Cagrilintide | 20 | $8.20/mg |
Semaglutide
$3.33/mg
lowest tracked
Semaglutide is a GLP-1 receptor agonist peptide — a modified analogue of the glucagon-like peptide-1 hormone.
17 vendorscheapest vial $99.99 · 30mg
Vendor
Variant
$/mg
Retatrutide
$5.17/mg
lowest tracked
Retatrutide is an experimental peptide that acts as a triple receptor agonist (GIP, GLP-1, and glucagon), under pharmaceutical development.
15 vendorscheapest vial $154.99 · 30mg
Vendor
Variant
$/mg
Mazdutide
$5.90/mg
lowest tracked
Mazdutide is an experimental peptide acting as a dual GLP-1/glucagon receptor agonist, under pharmaceutical development.
9 vendorscheapest vial $59.00 · 10mg
Vendor
Variant
$/mg
Survodutide
$7.90/mg
lowest tracked
Survodutide is an experimental peptide acting as a dual glucagon/GLP-1 receptor agonist, under pharmaceutical development.
8 vendorscheapest vial $79.00 · 10mg
Vendor
Variant
$/mg
Cagrilintide
$8.20/mg
lowest tracked
Cagrilintide is a long-acting synthetic analogue of the hormone amylin, studied as an experimental compound, including in combination with semaglutide.
20 vendorscheapest vial $82.00 · 10mg
Vendor
Variant
$/mg
About this page
Incretin and metabolic research peptides — GLP-1, GIP and glucagon receptor agonists studied in metabolic research. Compare prices by $/mg.
Prices are pulled directly from each vendor's storefront and normalized to dollars per milligram so differently-sized vials can be compared on equal terms. The "cheapest vendor" highlighted for each compound is whoever currently posts the lowest $/mg — not a recommendation, just the math.
For research use only. These compounds are not approved by the FDA for human consumption. This page is a price index, not medical advice. Always confirm current pricing on each vendor's site before purchase.
For research use only. Caliber Peptide Index does not score or endorse vendors and makes no health, efficacy, dosing, or safety claims about any compound listed.