Vendor and compound
Tirzepatide from PeptidePlugs
PeptidePlugs has no Tirzepatide price recorded in this index. 3 third-party certificates for this compound from this vendor are on file, assayed by Freedom Diagnostics Testing, averaging 99.90% purity. The cheapest listed price for Tirzepatide anywhere in the index is $1.90 per mg at ZC Labs.
All Tirzepatide vendors · PeptidePlugs profile · scores 86.3 of 100, rank 9 · 3 certificates for this compound · verified 29 Aug 2026
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 22130L-DK | 19 Aug 2026 | 99.9% | 30 mg → 30.12 mg | Freedom Diagnostics Testing | Open |
| Clear Cap/Silver Crimp | 15 Jun 2026 | 99.97% | 60 mg → 59.37 mg | Freedom Diagnostics Testing | Open |
| 005-B | 28 Feb 2026 | 99.833% | 30 mg → 32.79 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 |
|---|---|---|---|
| Next Gen Peptides | 93.8 | $2.00 | 1 |
| 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 |
| ZC Labs | 83.2 | $1.90 | 2 |
Ordered by overall evidence score. See every vendor listing Tirzepatide.
Questions
Is Tirzepatide from PeptidePlugs third-party tested?
Yes. 3 certificates for Tirzepatide from PeptidePlugs 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 PeptidePlugs a good place to buy Tirzepatide?
PeptidePlugs scores 86.3 of 100 on the published rubric and ranks 9 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.