Vendor and compound

Tirzepatide from Bench Grade Peptides
Bench Grade Peptides lists Tirzepatide at $4.50 per mg, 33% under the $6.75 peer median. 3 third-party certificates for this compound from this vendor are on file, assayed by AV Analytics and Freedom Diagnostics Testing, averaging 99.79% purity. The cheapest listed price for Tirzepatide anywhere in the index is $1.90 per mg at ZC Labs.
All Tirzepatide vendors · Bench Grade Peptides profile · scores 79.4 of 100, rank 7 · 3 certificates for this compound · verified 5 Nov 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $45 | $4.50 | -33% | GLP-2 T |
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 |
|---|---|---|---|---|---|
| 00011/0011 | 3 Sept 2026 | 99.77% | 10 mg → 10.06 mg | AV Analytics | Open |
| 00011/0011 | 3 Sept 2026 | 99.8% | 20 mg → 20.3 mg | AV Analytics | Open |
| NLGLP230501 | 3 Jul 2026 | 99.81% | 30 mg → 32.72 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 |
| Hydro Research Peptides | 78.7 | $8.50 | 6 |
| Stealth Research Labs | 78.1 | $4.50 | 1 |
| One Aminos | 78 | $5.00 | 1 |
| Koi Peptides | 75.1 | $9.00 | 0 |
Ordered by overall evidence score. See every vendor listing Tirzepatide.
Questions
Is Tirzepatide from Bench Grade Peptides third-party tested?
Yes. 3 certificates for Tirzepatide from Bench Grade Peptides are on file, signed by AV Analytics and 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 Tirzepatide cost at Bench Grade Peptides?
$4.50 per milligram, from 10 mg at $45. The peer median across every vendor we price for Tirzepatide is $6.75 per mg, so this is -33% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Bench Grade Peptides a good place to buy Tirzepatide?
Bench Grade Peptides scores 79.4 of 100 on the published rubric and ranks 7 overall, computed from its documentation rather than from opinion. For Tirzepatide specifically it has 3 certificates on file. ZC Labs lists it cheaper at $1.90 per mg.