Vendor and compound
Retatrutide from Vertex Labs
Vertex Labs has no Retatrutide price recorded in this index. 4 third-party certificates for this compound from this vendor are on file, assayed by Freedom Diagnostics Testing, averaging 99.82% purity. The cheapest listed price for Retatrutide anywhere in the index is $2.90 per mg at ZC Labs.
All Retatrutide vendors · Vertex Labs profile · scores 55.4 of 100, rank 34 · 4 certificates for this compound · verified 28 Sept 2026
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 2608190854 | 25 Aug 2026 | 99.83% | 30 mg → 33.82 mg | Freedom Diagnostics Testing | Open |
| 2608200008 | 23 Aug 2026 | 99.99% | 20 mg → 23.29 mg | Freedom Diagnostics Testing | Open |
| 2607010630 | 3 Jul 2026 | 99.56% | 10 mg → 10.65 mg | Freedom Diagnostics Testing | Open |
| 2603260285 | 27 Mar 2026 | 99.898% | 20 mg → 23.96 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 Retatrutide
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Origin Labs | 89.1 | — | 5 |
| Next Gen Peptides | 87.7 | $4.00 | 16 |
| ZC Labs | 87.2 | $2.90 | 5 |
| Amino Club | 86.1 | $7.00 | 3 |
| Bench Grade Peptides | 79.4 | $3.90 | 4 |
| Hydro Research Peptides | 78.7 | — | 1 |
| Stealth Research Labs | 78.1 | $7.00 | 1 |
| One Aminos | 78 | $7.00 | 2 |
Ordered by overall evidence score. See every vendor listing Retatrutide.
Questions
Is Retatrutide from Vertex Labs third-party tested?
Yes. 4 certificates for Retatrutide 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 Retatrutide?
Vertex Labs scores 55.4 of 100 on the published rubric and ranks 34 overall, computed from its documentation rather than from opinion. For Retatrutide specifically it has 4 certificates on file. ZC Labs lists it cheaper at $2.90 per mg.