Tirzepatide
Weight Loss (GLP-1)A dual GIP/GLP-1 receptor agonist approved as Mounjaro for type 2 diabetes and Zepbound for weight management. The second most popular GLP-1 peptide.
Starting from
$30.95
Vendors tracked
17
Prices updated
Apr 8, 2026
Compare Prices
Select Dosage
— most common size pre-selected
Polaris PeptidesBest Value
Price
$55.00
Per mg
$11.00
Aavant Research
Price
$83.00
Per mg
$16.60
Loti Labs
Price
$99.99
Per mg
$20.00
Longevity Peptides
Price
$105.00
Per mg
$21.00
Soma Chems
Price
$124.99
Per mg
$25.00
Behemoth Labz
Price
$181.74
Per mg
$36.35
Royal Peptides
Price
$290.00
Per mg
$58.00
Polaris PeptidesBest Value | 7.3/10 | $55.00 | $11.00 | Yes | |
Aavant Research | 8.7/10 | $83.00 | $16.60 | No | |
Loti Labs | — | $99.99 | $20.00 | Yes | |
Longevity Peptides | — | $105.00 | $21.00 | Yes | |
Soma Chems | — | $124.99 | $25.00 | No | |
Behemoth Labz | — | $181.74 | $36.35 | No | |
Royal Peptides | — | $290.00 | $58.00 | No |
Prices verified as of April 8, 2026
Quick Summary
The blockbuster weight-loss drug behind Mounjaro and Zepbound — a once-weekly injection that helps people lose significant body weight while also lowering blood sugar. Available from 17 vendors, priced from $30.95 to $450.00.
Research: In the SURMOUNT-1 trial, tirzepatide 15 mg produced 22.5% mean body weight reduction over 72 weeks, with 57% of participants losing 20% or more of their body weight.
Side effects: Nausea, Diarrhea, Constipation, Vomiting, Injection site reactions
FDA-approvedMounjaro for T2D; Zepbound for weight management
- 13 of 17 vendors currently have it in stock
- Highest-rated vendor: Risynth Bio (9.1 Finnrick score)
- Most common vial size: 10mg
- Category: Weight Loss (GLP-1) — GLP-1 receptor agonists for weight management
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