Zen Peptides
Finnrick has tested 19 samples from Zen Peptides across 3 products.
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Zen Peptides
Tracking 3 products
19 total samples tested
Last test 3 Mar 2026
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Products
| Tests | ||||||||
|---|---|---|---|---|---|---|---|---|
| Product | Rating | Count | Avg | Min | Max | Oldest | Most Recent | |
| GHK-Cu | 4 | 23 Oct 2025 | 17 Dec 2025 | |||||
| Retatrutide | 9 | 23 Oct 2025 | 3 Mar 2026 | |||||
| Tesamorelin | 6 | 4 Nov 2025 | 19 Feb 2026 | |||||
The Zen Peptides samples tested by Finnrick were either acquired by Finnrick directly, or submitted by the public.
Customer Reviews
These indicators of customer satisfaction are based on reports submitted by the public through the Finnrick testing program, and are not verified.
4.6
Based on 7 overall satisfaction reports
Ease of Purchase4.6(7)
Payment Methods4.3(7)
Delivery Speed4.4(7)
Packaging Quality4.4(7)
Customer Service4.6(7)
People who submitted test requests to Finnrick gave Zen Peptides an average satisfaction rating of 4.6 out of 5 across 7 reports associated with samples received and tested by Finnrick.
Most recent Zen Peptides tests
Samples are tested in commercial labs
19
tests
3
products
Scores
AVGMINMAX
First
23 Oct 2025
Last
3 Mar 2026
| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Product | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 3 Mar 2026 | Retatrutide | View | 30mg | 25mg | -16.7% | 99.78% | low | (no batch ID) | White Label / Silver Crimp / Black Cap | Lab E | Public | |
| 3 Mar 2026 | Retatrutide | View | 10mg | 9.88mg | -1.2% | 99.81% | low | (no batch ID) | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |
| 19 Feb 2026 | Tesamorelin | View | 10mg | 8.51mg | -14.9% | 98.00% | below LOQ | (no batch ID) | White Label / Silver Crimp / White Cap | Lab E | Public | |
| 15 Feb 2026 | Tesamorelin | View | 10mg | 12.6mg | +26.0% | 99.70% | n/a | TSM10 | No Label / Silver Crimp / White Cap | Lab G | Public | |
| 10 Feb 2026 | Retatrutide | View | 10mg | 10.5mg | +5.0% | 99.70% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab G | Public | |
| 19 Jan 2026 | Tesamorelin | View | 10mg | 8.97mg | -10.3% | 85.72% | n/a | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 7 Jan 2026 | Retatrutide | View | 10mg | 9.8mg | -2.0% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab G | Public | |