Vendor and compound
Tirzepatide from Next Gen Peptides
Next Gen Peptides lists Tirzepatide at $2.00 per mg, 70% under the $6.75 peer median. 12 third-party certificates for this compound from this vendor are on file, assayed by ILS Laboratories, averaging 99.86% 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 87.7 of 100, rank 2 · 12 certificates for this compound · verified 5 Nov 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 20 mg | $40 | $2.00 | -70% | 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 |
|---|---|---|---|---|---|
| TRZ60-05 | 14 Sept 2026 | 99.68% | 60 mg → 64.01 mg | ILS Laboratories | Open |
| TRZ20-17 | 3 Sept 2026 | 99.39% | 20 mg → 20.66 mg | ILS Laboratories | Open |
| TRZ30-16 | 21 Aug 2026 | 99.9% | 30 mg → 30.98 mg | ILS Laboratories | Open |
| TRZ20-16 | 18 Aug 2026 | 99.96% | 20 mg → 21.42 mg | ILS Laboratories | Open |
| TRZ30-14 | 18 Aug 2026 | 99.96% | 30 mg → 30.76 mg | ILS Laboratories | Open |
| TRZ40-18 | 18 Aug 2026 | 99.92% | 40 mg → 42.49 mg | ILS Laboratories | Open |
| TRZ30-15 | 18 Aug 2026 | 99.98% | 30 mg → 31.25 mg | ILS Laboratories | Open |
| TRZ20-15 | 14 Aug 2026 | 99.95% | 20 mg → 20.91 mg | ILS Laboratories | Open |
| TRZ30-13 | 9 Jun 2026 | 99.88% | 30 mg → 31.68 mg | ILS Laboratories | Open |
| TRZ60-04 | 5 Jun 2026 | 99.9% | 60 mg → 63.89 mg | ILS Laboratories | Open |
| TRZ40-14 | 6 May 2026 | 99.93% | 40 mg → 42.65 mg | ILS Laboratories | Open |
| TRZ20-13 | 6 May 2026 | 99.92% | 20 mg → 21.47 mg | ILS Laboratories | Open |
ILS Laboratories 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 |
| ZC Labs | 87.2 | $1.90 | 2 |
| Amino Club | 86.1 | $2.00 | 0 |
| Bench Grade Peptides | 79.4 | $4.50 | 3 |
| 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 Next Gen Peptides third-party tested?
Yes. 12 certificates for Tirzepatide from Next Gen Peptides are 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. ILS Laboratories 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 Next Gen Peptides?
$2.00 per milligram, from 20 mg at $40. The peer median across every vendor we price for Tirzepatide is $6.75 per mg, so this is -70% 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 87.7 of 100 on the published rubric and ranks 2 overall, computed from its documentation rather than from opinion. For Tirzepatide specifically it has 12 certificates on file. ZC Labs lists it cheaper at $1.90 per mg.