Royal Peptides
Tirzepatide
Finnrick tested 6 samples of Tirzepatide (GLP-1 and GIP antagonist) from Royal Peptides between 16 Mar 2025 and 25 Mar 2025. Test scores average over 5, no score below 4, and at least 6 tests warrant a confident Finnrick Rating of C (Okay).
Finnrick Rating™
Royal Peptides
Tirzepatide
Tested 6 Samples
Last test 25 Mar 2025
Take Action
Researcher
Request Full Data Access to the Finnrick database of peptide tests.
Free peptide testing
Mail in a sample (US only) to get confidence for the specific vials you have, and contribute to identifying unsafe supply chains, so other people can avoid risky and costly mistakes.
Other Tirzepatide tests from top-rated vendors:
All Tirzepatide tests from Royal Peptides
Samples are tested in commercial labs
Tests Count
6
Scores
AVGMINMAX
Last
25 Mar 2025
First
16 Mar 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 25 Mar 2025 | View | 10mg | 10.934mg | +9.3% | 99.80% | (no batch ID) | No Label / Silver Crimp / Clear Green Cap | Lab C | Finnrick | |
| 25 Mar 2025 | View | 10mg | 11.005mg | +10.1% | 99.89% | (no batch ID) | No Label / Silver Crimp / Clear Green Cap | Lab C | Finnrick | |
| 25 Mar 2025 | View | 10mg | 12.630mg | +26.3% | 99.86% | (no batch ID) | No Label / Silver Crimp / Clear Green Cap | Lab C | Finnrick | |
| 16 Mar 2025 | View | 10mg | 11.140mg | +11.4% | 99.04% | (no batch ID) | No Label / Silver Crimp / Clear Green Cap | Lab A | Finnrick | |
| 16 Mar 2025 | View | 10mg | 11.130mg | +11.3% | 99.56% | (no batch ID) | No Label / Silver Crimp / Clear Green Cap | Lab A | Finnrick | |
| 16 Mar 2025 | View | 10mg | 11.010mg | +10.1% | 99.33% | (no batch ID) | No Label / Silver Crimp / Clear Green Cap | Lab A | Finnrick | |