Peptide Sciences
Finnrick has tested 125 samples from Peptide Sciences across 10 products.
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Peptide Sciences
Tracking 10 products
125 total samples tested
Last test 2 Apr 2026
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Products
| Tests | ||||||||
|---|---|---|---|---|---|---|---|---|
| Product | Rating | Count | Avg | Min | Max | Oldest | Most Recent | |
| BPC-157 | 13 | 17 Dec 2024 | 4 Feb 2026 | |||||
| Ipamorelin | 9 | 13 Feb 2025 | 20 May 2025 | |||||
| PT-141 | 6 | 7 May 2025 | 12 Aug 2025 | |||||
| GHK-Cu | 6 | 6 May 2025 | 26 Feb 2026 | |||||
| Semaglutide | 15 | 17 Dec 2024 | 1 Mar 2026 | |||||
| Melanotan II | 10 | 19 Feb 2025 | 19 Feb 2025 | |||||
| Tirzepatide | 16 | 28 Mar 2025 | 3 Mar 2026 | |||||
| CJC-1295 | 10 | 19 Feb 2025 | 15 Feb 2026 | |||||
| Retatrutide | 38 | 17 Dec 2024 | 2 Apr 2026 | |||||
| Tesamorelin | 2 | 9 Oct 2025 | 20 Feb 2026 | |||||
The Peptide Sciences 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.
4.7
Based on 9 overall satisfaction reports
Ease of Purchase4.7(9)
Payment Methods4.5(8)
Delivery Speed4.3(8)
Packaging Quality4.5(8)
Customer Service4.7(6)
People who submitted test requests to Finnrick gave Peptide Sciences an average satisfaction rating of 4.7 out of 5 across 9 reports associated with samples received and tested by Finnrick. Customers rated delivery speed (4.3/5) comparatively lower.
Most recent Peptide Sciences tests
Samples are tested in commercial labs
125
tests
10
products
Scores
AVGMINMAX
First
17 Dec 2024
Last
2 Apr 2026
| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Product | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 2 Apr 2026 | Retatrutide | View | 12mg | ⚠️ Sample does not contain Retatrutide | n/a | 01.01.2025 | White Label / Silver Crimp / Gray Cap | Lab G | Public | |||
| 3 Mar 2026 | Tirzepatide | View | 30mg | 33.7mg | +12.3% | 99.40% | n/a | 01/14/2026 | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 2 Mar 2026 | Retatrutide | View | 14mg | 13.3mg | -5.0% | 99.90% | low | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab E | Public | |
| 1 Mar 2026 | Tirzepatide | View | 15mg | 19mg | +26.7% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Clear Pink Cap | Lab G | Public | |
| 1 Mar 2026 | Semaglutide | View | 5mg | 5.6mg | +12.0% | 99.50% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab G | Public | |
| 26 Feb 2026 | GHK-Cu | View | 50mg | 54.7mg | +9.4% | 99.70% | n/a | VI620251021-50 | White Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 20 Feb 2026 | Tesamorelin | View | 10mg | 14.9mg | +49.0% | 99.00% | n/a | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab G | Public | |
Corrections
- 17 Nov 2025: Retatrutide
- Test results for sample 3tbve3d were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.
- 17 Nov 2025: GHK-Cu
- Test results for sample rkh8jub were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.
- 17 Nov 2025: Semaglutide
- Test results for sample cjkyg7x were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.
- 17 Nov 2025: Tesamorelin
- Test results for sample pst3r4y were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.
- 14 Nov 2025: Retatrutide
- Test results for sample 87u9z6r were published from 8 to 14 Nov 2025, but did not belong to Peptide Sciences: the sample was identified as a counterfeit. They were removed from publishing.
- 29 Aug 2025: Retatrutide
- Batch identifier for Peptide Sciences Retatrutide 6mg vial tested 30 June was missing. Test score changed from 6.3 to 8.3.
- 29 Aug 2025: Tirzepatide
- Peptide Sciences have notified Finnrick that they do not distribute 60mg Tirzepatide. The sample submitted in this quantity, tested 17 July, was therefore removed from the site and is no longer part of the Finnrick Rating.
- 6 Apr 2025: CJC-1295
- Lab A test 19 Feb 2025: updated compound identification, removed purity/quantity. Error in data transcription by Finnrick: compound was incorrectly reported as CJC-1295.
- 6 Apr 2025: Retatrutide
- Lab A test 14 Feb 2025: updated compound identification, removed purity and quantity values. Error in analysis by Lab, compound was incorrectly identified as Retatrutide. Lab issued an updated test certificate.