Best Tirzepatide Vendors in 2026
Weight Loss (GLP-1)Ranked by Finnrick trust score, purity testing, and price.
Polaris Peptides is our #1 pick for Tirzepatide, with a Finnrick trust score of 7.3/10. Across 30 tracked vendors, prices range from $30.95 to $1649.99, verified by Peptide Compare on 10 Oct 2026. Prices are scraped from vendor sites; trust scores come from Finnrick blind tests.
Check price at Polaris PeptidesIf you buy after clicking, we may earn a commission. How that works
- Cheapest per mg
- $1.76/mgat Modern Research
- Highest trust score
- NUPEPS Peptides(9.0/10)
- In stock now
- 100 products across 30 vendors
- Last verified
- Oct 10, 2026
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Top Tirzepatide vendors at a glance
| Rank | Vendor | Trust score | Per mg |
|---|---|---|---|
| #1 | Polaris Peptides | 7.3/10 | $5.15 |
| #2 | Paramount Peptides | 6.7/10 | $4.96 |
| #3 | Bulk Peptides | 7.5/10 | $16.00 |
| #4 | NextGen Health | 7.9/10 | $1.67 |
| #5 | NUPEPS Peptides | 9.0/10 | $3.83 |
| #6 | Lumi PeptidesOut of stock | 7.8/10 | $4.00 |
| #7 | Aavant ResearchOut of stock | 8.7/10 | $1.11 |
| #8 | PeptidologyOut of stock | 7.6/10 | $1.15 |
| #9 | Royal PeptidesOut of stock | untested | $0.360 |
| #10 | Modern Research | untested | $1.76 |
All 30 ranked Tirzepatide vendors
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How we rank vendors
Our composite score weighs Finnrick blind-testing trust scores (62%), price competitiveness (25%), and stock availability (13%). Vendors without Finnrick data are sorted by price below scored vendors. We never accept payment for rankings. Learn more.