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Peptide Sciences

Peptide Sciences

Finnrick has tested 113 samples from Peptide Sciences across 10 products.

Finnrick Vendor Profile
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A
E
Peptide Sciences
Tracking 10 products
113 total samples tested
Last test 4 Nov 2025

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Products

Tests
Product
Rating
CountAvgMinMaxOldestMost Recent
BPC-157
A
Great
127.86.59.017 Dec 20244 Nov 2025
GHK-Cu
A
Great
48.87.79.86 May 202520 May 2025
Ipamorelin
A
Great
99.26.910.013 Feb 202520 May 2025
PT-141
A
Great
69.17.09.77 May 202512 Aug 2025
Semaglutide
A
Great
147.76.39.817 Dec 202422 Jul 2025
Melanotan II
C
Okay
106.44.28.319 Feb 202519 Feb 2025
Tirzepatide
C
Okay
126.74.78.028 Mar 202525 Jul 2025
CJC-1295
E
Bad
94.32.07.119 Feb 202517 Jul 2025
Retatrutide
E
Bad
345.82.010.017 Dec 20244 Aug 2025
Tesamorelin
X
Unrated
17.37.37.39 Oct 20259 Oct 2025

Most recent Peptide Sciences tests

Samples are tested in commercial labs

113

tests

10

products

Scores

AVG6.8MIN2.0MAX10.0

First

17 Dec 2024

Last

4 Nov 2025
Quantity
Test DateProductCertificate
Test Score
Label
Batch
TestedDifferencePurityBatch IDContainerTested AtSent By
4 Nov 2025⚠️BPC-157View6.510mg(no batch claim)10.000mg99.26%(no batch ID)No Label / Silver Crimp / Pink CapLab EPublic
9 Oct 2025TesamorelinView7.32mg
2.4mg
2.270mg-5.4%98.90%VI182025-718-2White Label / Gold Crimp / Brown Cap Lab EPublic
3 Oct 2025BPC-157View7.910mg(no batch claim)8.710mg-12.9%99.95%VI220250522-10White Label / Gold Crimp / Black Cap Lab EPublic
12 Aug 2025PT-141View7.010mg(no batch claim)12.200mg+22.0%100.00%VI1420241021-10White Label / Silver Crimp / Purple CapLab GFinnrick
4 Aug 2025RetatrutideView8.66mg(no batch claim)5.750mg-4.2%99.31%VI9920250415-6White Label / Blue Crimp / Pink CapLab DPublic
4 Aug 2025RetatrutideView5.712mg(no batch claim)11.090mg-7.6%99.28%(no batch ID)(no data)Lab DPublic
31 Jul 2025PT-141View9.63mg(no batch claim)2.910mg-3.0%99.74%VI1420250316-3White Label / Red Crimp / Violet Cap Lab EPublic

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.