Vendor and compound
Tirzepatide from Vertex Labs
Vertex Labs has no Tirzepatide price recorded in this index. 2 third-party certificates for this compound from this vendor are on file, assayed by Freedom Diagnostics Testing, averaging 99.74% purity. The cheapest listed price for Tirzepatide anywhere in the index is $1.90 per mg at ZC Labs.
All Tirzepatide vendors · Vertex Labs profile · scores 55.4 of 100, rank 34 · 2 certificates for this compound · verified 28 Sept 2026
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 2607010626 | 3 Jul 2026 | 99.74% | 10 mg → 9.73 mg | Freedom Diagnostics Testing | Open |
| 072026 | 3 Jul 2026 | 99.74% | 10 mg → 9.73 mg | Freedom Diagnostics Testing | Open |
Freedom Diagnostics Testing publishes a lookup, so these reports can be confirmed at the laboratory rather than taken from the vendor. How to check one.
Other vendors selling Tirzepatide
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Origin Labs | 89.1 | — | 1 |
| Next Gen Peptides | 87.7 | $2.00 | 12 |
| ZC Labs | 87.2 | $1.90 | 2 |
| Amino Club | 86.1 | $2.00 | 0 |
| Bench Grade Peptides | 79.4 | $4.50 | 3 |
| Hydro Research Peptides | 78.7 | $8.50 | 6 |
| Stealth Research Labs | 78.1 | $4.50 | 1 |
| One Aminos | 78 | $5.00 | 1 |
Ordered by overall evidence score. See every vendor listing Tirzepatide.
Questions
Is Tirzepatide from Vertex Labs third-party tested?
Yes. 2 certificates for Tirzepatide from Vertex Labs are on file, signed by Freedom Diagnostics Testing. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. Freedom Diagnostics Testing also publishes a lookup, so the report can be confirmed at the laboratory rather than taken from the vendor.
Is Vertex Labs a good place to buy Tirzepatide?
Vertex Labs scores 55.4 of 100 on the published rubric and ranks 34 overall, computed from its documentation rather than from opinion. For Tirzepatide specifically it has 2 certificates on file. ZC Labs lists it cheaper at $1.90 per mg.