Vendor and compound
Tesamorelin from Northline Labs
Northline Labs lists Tesamorelin at $8.00 per mg, level with the peer median. 2 third-party certificates for this compound from this vendor are on file, assayed by ILS Laboratories and Horizon Analytical, averaging 99.34% purity. The cheapest listed price for Tesamorelin anywhere in the index is $3.55 per mg at ZC Labs.
All Tesamorelin vendors · Northline Labs profile · scores 68 of 100, rank 21 · 2 certificates for this compound · verified 5 Oct 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $79.99 | $8.00 | -0% | Tesamorelin – 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
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| NLL-7324032 | 28 Jul 2026 | 99.48% | 10 mg → 10.3 mg | ILS Laboratories | Open |
| NLL-7980975 | 3 May 2026 | 99.19% | 10 mg → 10.12 mg | Horizon Analytical | Open |
ILS Laboratories 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 Tesamorelin
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Origin Labs | 89.1 | — | 2 |
| Next Gen Peptides | 87.7 | $5.00 | 7 |
| ZC Labs | 87.2 | $3.55 | 4 |
| Amino Club | 86.1 | $7.00 | 0 |
| PeptidePlugs | 82.6 | $7.00 | 3 |
| Modern Aminos | 79.7 | $7.10 | 2 |
| Bench Grade Peptides | 79.4 | $11.80 | 3 |
| One Aminos | 78 | $7.00 | 1 |
Ordered by overall evidence score. See every vendor listing Tesamorelin.
Questions
Is Tesamorelin from Northline Labs third-party tested?
Yes. 2 certificates for Tesamorelin from Northline Labs are on file, signed by ILS Laboratories and Horizon Analytical. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. ILS Laboratories also publishes a lookup, so the report can be confirmed at the laboratory rather than taken from the vendor.
How much does Tesamorelin cost at Northline Labs?
$8.00 per milligram, from 10 mg at $79.99. The peer median across every vendor we price for Tesamorelin is $8.00 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 Tesamorelin?
Northline Labs scores 68 of 100 on the published rubric and ranks 21 overall, computed from its documentation rather than from opinion. For Tesamorelin specifically it has 2 certificates on file. ZC Labs lists it cheaper at $3.55 per mg.