Vendor and compound
Tirzepatide from Next Gen Peptides
Next Gen Peptides lists Tirzepatide at $2.00 per mg, 71% under the $7.00 peer median. 1 third-party certificate for this compound from this vendor is on file, assayed by ILS Laboratories, averaging 99.88% purity. The cheapest listed price for Tirzepatide anywhere in the index is $1.90 per mg at ZC Labs.
All Tirzepatide vendors · Next Gen Peptides profile · scores 93.8 of 100, rank 1 · 1 certificate for this compound · verified 3 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 20 mg | $40 | $2.00 | -71% | TRZ |
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 |
|---|---|---|---|---|---|
| TRZ30-13 | 9 Jun 2026 | 99.88% | 30 mg → 31.68 mg | ILS Laboratories | Open |
Other vendors selling Tirzepatide
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Ascend Science | 90.1 | $4.55 | 0 |
| Amino Club | 88.3 | $2.00 | 0 |
| Origin Labs | 87.7 | — | 1 |
| Bench Grade Peptides | 86.8 | $4.50 | 3 |
| Polaris Peptides | 86.6 | $8.90 | 16 |
| Hydro Research Peptides | 86.5 | $8.50 | 6 |
| PeptidePlugs | 86.3 | — | 3 |
| ZC Labs | 83.2 | $1.90 | 2 |
Ordered by overall evidence score. See every vendor listing Tirzepatide.
Questions
Is Tirzepatide from Next Gen Peptides third-party tested?
Yes. 1 certificate for Tirzepatide from Next Gen Peptides is on file, signed by ILS Laboratories. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from.
How much does Tirzepatide cost at Next Gen Peptides?
$2.00 per milligram, from 20 mg at $40. The peer median across every vendor we price for Tirzepatide is $7.00 per mg, so this is -71% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Next Gen Peptides a good place to buy Tirzepatide?
Next Gen Peptides scores 93.8 of 100 on the published rubric and ranks 1 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.