Vendor and compound
Tirzepatide from Stealth Research Labs
Stealth Research Labs lists Tirzepatide at $4.50 per mg, 27% under the $6.20 peer median. 1 third-party certificate for this compound from this vendor is on file, assayed by Bioviridian Inc., averaging 99.82% purity. The cheapest listed price for Tirzepatide anywhere in the index is $1.90 per mg at ZC Labs.
All Tirzepatide vendors · Stealth Research Labs profile · scores 80.1 of 100, rank 12 · 1 certificate for this compound · verified 3 Oct 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $44.99 | $4.50 | -27% | GLP-2 TZ |
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 |
|---|---|---|---|---|---|
| SRL-TZ-201 | 4 Sept 2026 | 99.82% | 20 mg → 20.52 mg | Bioviridian Inc. | Open |
Bioviridian Inc. 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 |
|---|---|---|---|
| Next Gen Peptides | 96.1 | $2.00 | 12 |
| Origin Labs | 94.2 | — | 1 |
| Amino Club | 90.8 | $2.00 | 0 |
| Ascend Science | 88.9 | $4.55 | 6 |
| ZC Labs | 86.9 | $1.90 | 2 |
| Hydro Research Peptides | 85.9 | $8.50 | 6 |
| One Aminos | 85.6 | $5.00 | 1 |
| Bench Grade Peptides | 84.2 | $4.50 | 3 |
Ordered by overall evidence score. See every vendor listing Tirzepatide.
Questions
Is Tirzepatide from Stealth Research Labs third-party tested?
Yes. 1 certificate for Tirzepatide from Stealth Research Labs is on file, signed by Bioviridian Inc.. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. Bioviridian Inc. 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 Stealth Research Labs?
$4.50 per milligram, from 10 mg at $44.99. The peer median across every vendor we price for Tirzepatide is $6.20 per mg, so this is -27% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Stealth Research Labs a good place to buy Tirzepatide?
Stealth Research Labs scores 80.1 of 100 on the published rubric and ranks 12 overall, computed from its documentation rather than from opinion. For Tirzepatide specifically it has 1 certificate on file. ZC Labs lists it cheaper at $1.90 per mg.