Vendor and compound
Tesamorelin from ZC Labs
ZC Labs lists Tesamorelin at $3.55 per mg, 56% under the $8.00 peer median. 4 third-party certificates for this compound from this vendor are on file, assayed by Freedom Diagnostics Testing, averaging 99.63% purity. That is the cheapest listed price for Tesamorelin in the index.
All Tesamorelin vendors · ZC Labs profile · scores 87.2 of 100, rank 3 · 4 certificates for this compound · verified 5 Nov 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $35.5 | $3.55 | -56% | Tesamorelin 10mg |
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. Codepepindex· 10% off applies at checkout.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| ZCLa2608070015 | 9 Aug 2026 | 99.96% | 10 mg → 10 mg | Freedom Diagnostics Testing | Open |
| ZCLa2607301113 | 4 Aug 2026 | 99.06% | 10 mg → 11.93 mg | Freedom Diagnostics Testing | Open |
| ZCLa2607240722 | 28 Jul 2026 | 99.81% | 10 mg → 11.18 mg | Freedom Diagnostics Testing | Open |
| ZCLa2606080087 | 9 Jun 2026 | 99.67% | 10 mg → 11.22 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 Tesamorelin
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Origin Labs | 89.1 | — | 2 |
| Next Gen Peptides | 87.7 | $5.00 | 7 |
| 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 |
| Simple Peptide | 77.2 | $7.50 | 2 |
Ordered by overall evidence score. See every vendor listing Tesamorelin.
Questions
Is Tesamorelin from ZC Labs third-party tested?
Yes. 4 certificates for Tesamorelin from ZC 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.
How much does Tesamorelin cost at ZC Labs?
$3.55 per milligram, from 10 mg at $35.5. The peer median across every vendor we price for Tesamorelin is $8.00 per mg, so this is -56% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is ZC Labs a good place to buy Tesamorelin?
ZC Labs scores 87.2 of 100 on the published rubric and ranks 3 overall, computed from its documentation rather than from opinion. For Tesamorelin specifically it has 4 certificates on file.