Vendor and compound
Tirzepatide from Northline Labs
Northline Labs lists Tirzepatide at $7.00 per mg, level with the peer median. 1 certificate record for this compound name no laboratory we could identify, so it is not counted as third-party evidence. The cheapest listed price for Tirzepatide anywhere in the index is $1.90 per mg at ZC Labs.
All Tirzepatide vendors · Northline Labs profile · scores 74.4 of 100, rank 21 · 0 certificates for this compound · verified 1 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $69.99 | $7.00 | -0% | Tirz GLP-2 – Premium Research Peptide |
Read from the vendor’s own store and normalised per milligram, because a smaller vial at a lower sticker price is usually the dearer peptide.
What the laboratory found
No third-party certificate for Tirzepatide from Northline Labs has been located. 1 record exists for this compound whose laboratory field names nothing checkable — a placeholder, a signature block or the vendor itself — so it is not counted as third-party evidence.
That is a statement about the public record, not an accusation. The vendor may test and not publish, or publish somewhere we have not read. What it means for a buyer is that the price above is the only thing established here, and price says nothing about what is in the vial.
Vendors whose certificates you can check yourself lists the ones where that gap is closed.
Other vendors selling Tirzepatide
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Next Gen Peptides | 93.8 | $2.00 | 1 |
| Ascend Science | 90.1 | $4.55 | 0 |
| Amino Club | 88.3 | $2.00 | 0 |
| Origin Labs | 87.7 | — | 1 |
| Bench Grade Peptides | 86.8 | $4.50 | 3 |
| Polaris Peptides | 86.6 | $8.90 | 16 |
| Hydro Research Peptides | 86.5 | $8.50 | 6 |
| PeptidePlugs | 86.3 | — | 3 |
Ordered by overall evidence score. See every vendor listing Tirzepatide.
Questions
Is Tirzepatide from Northline Labs third-party tested?
Not so far as this index can establish. No third-party certificate for Tirzepatide from Northline Labs has been located, though 1 record exists that name no identifiable laboratory. The vendor may test and not publish; what can be said is that nothing public establishes the contents of a vial.
How much does Tirzepatide cost at Northline Labs?
$7.00 per milligram, from 10 mg at $69.99. The peer median across every vendor we price for Tirzepatide is $7.00 per mg, so this is 0% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Northline Labs a good place to buy Tirzepatide?
Northline Labs scores 74.4 of 100 on the published rubric and ranks 21 overall, computed from its documentation rather than from opinion. For Tirzepatide specifically no certificate is on file, which is the gap to weigh. ZC Labs lists it cheaper at $1.90 per mg.