Tirzepatide · UK Express
Lab tested Tirzepatide, held in the UK.
Tirzepatide 60 mg is booked for the full panel: purity, mass, endotoxins and sterility. The 30 mg result is already public.
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The full panel
Four tests, one independent laboratory.
Purity
How much of the powder is the compound itself.
Mass
How many milligrams are in the vial, against the label.
Endotoxins
Whether bacterial endotoxins are present, and at what level.
Sterility
Whether anything grows from the sample.
The fullest panel we can commission for a research peptide.
Tirzepatide booked for the full panel
Every product below has its test listed in the COA Library before the result exists.
What a Tirzepatide certificate should show
- Purity by HPLC, as a percentage.
- The milligrams measured in the vial, next to the milligrams on the label.
- Endotoxin and sterility results, which a purity certificate does not include.
Tirzepatide results already published
Tirzepatide 30 mg
99.85%
36.17 mg measured, 30 mg label
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Questions
- Is Peptx Tirzepatide third party tested?
- Yes. Tirzepatide 30 mg has an independent result in the COA Library covering purity, mass and endotoxins. Tirzepatide 60 mg is booked for the full panel: purity, mass, bacterial endotoxins and sterility.
- What did the published Tirzepatide result show?
- The 30 mg vial tested at 99.85% purity and measured 36.17 mg against a 30 mg label, with an endotoxin test on the same report. The certificate is in the COA Library.
- Is the testing finished?
- Each product on this page is booked at an independent laboratory for all four tests. The first results are due at the end of October 2026 and each one is published in the COA Library as it is issued.
- Where are the results published?
- In the Peptx COA Library, exactly as the laboratory issued them. Each test is listed there from the day it is booked, with its laboratory and its due window, so a result can never appear only when it is good.
- How do I find out when they land?
- Create a free Peptx account and press Notify me. We email you as each product arrives in UK stock. You can leave the list at any time from your Portal.
- What are these products for?
- They are research reagents, sold for laboratory research use only. They are not medicines and are not for human or veterinary use.
For laboratory research use only. Not for human or veterinary use.