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Lab Reports

Lab reports

Every certificate, in the open.

Independent test results published by the brands on this marketplace. Search a compound, compare brands and open the original certificate — then check it against what you receive.

102reports on file
2brands covered
Sep 15most recent test
34%140 of 408 listings tested
Reading a certificate

What to check on every report

Four things, in this order. Testing 101 goes deeper.

Testing 101 →
  1. IdentityThe compound named on the certificate is the one on the label.
  2. PurityHPLC purity — research-grade peptides usually report 98–99%+.
  3. ContentMeasured mg per vial against the strength printed on the label.
  4. VerifyA recent date and a verification key you can check with the lab.
Usually coveredHPLC purity & contentConfirms the right peptide is in the vial, how pure it is and how many mg it holds.How to read an HPLC result → Rarely coveredEndotoxins (LAL)Brand reports seldom include endotoxin testing. The community runs it on real orders.Why endotoxins matter → PeriodicTFA salt (NMR F-19)Checks whether a cheaper TFA salt form was used. Worth a spot check every few batches.Reading NMR F-19 →

Reports are supplied by the brands for a specific batch — a strong starting point, not a guarantee for the vial you receive. Testing 101 explains why buyers still run their own third-party tests.

HK PeptideSep 15, 2026

Selank

11mg kit
99.66%HPLC purity

11.86 mg measured · 11 mg on the label +7.8%

✓ This strength Purity & content
Janoshik #227962key ZVH6NCXA545V View certificate ↗
HK PeptideSep 15, 2026

Selank

5mg kit
99.66%HPLC purity

Tested vial: 11.86 mg · this listing: 5 mg

Other strength tested Purity & content
Janoshik #227962key ZVH6NCXA545V View certificate ↗
HK PeptideSep 11, 2026

DSIP

15mg kit
99.49%HPLC purity

14.99 mg measured · 15 mg on the label -0.1%

✓ This strength Purity & content
Janoshik #227959key JUPS6P1RUZ4T View certificate ↗
HK PeptideSep 11, 2026

DSIP

5mg kit
99.49%HPLC purity

Tested vial: 14.99 mg · this listing: 5 mg

Other strength tested Purity & content
Janoshik #227959key JUPS6P1RUZ4T View certificate ↗
HK PeptideApr 10, 2026

BPC-157

10mg kit
99.73%HPLC purity

10.58 mg measured · 10 mg on the label +5.8%

✓ This strength Purity & content
Janoshik #148112key US7TFPJAI46M View certificate ↗
HK PeptideApr 10, 2026

BPC-157

5mg kit
99.73%HPLC purity

Tested vial: 10.58 mg · this listing: 5 mg

Other strength tested Purity & content
Janoshik #148112key US7TFPJAI46M View certificate ↗
HK PeptideApr 10, 2026

MOTS-c

10mg kit
99.06%HPLC purity

11.12 mg measured · 10 mg on the label +11.2%

✓ This strength Purity & content
Janoshik #148114key JXI21LZJTPEB View certificate ↗
HK PeptideMar 16, 2026

Epitalon

Epithalon 10mg kit
99.49%HPLC purity

Tested vial: 62.39 mg · this listing: 10 mg

Other strength tested Purity & content
Janoshik #121852key NT378RPTI66C View certificate ↗
HK PeptideMar 16, 2026

Epitalon

Epithalon 50mg kit
99.49%HPLC purity

62.39 mg measured · 50 mg on the label +24.8%

✓ This strength Purity & content
Janoshik #121852key NT378RPTI66C View certificate ↗
HK PeptideMar 16, 2026

KPV

10mg kit
99.23%HPLC purity

12.88 mg measured · 10 mg on the label +28.8%

✓ This strength Purity & content
Janoshik #121855key 5VZXZD8NAF97 View certificate ↗
HK PeptideMar 16, 2026

KPV

5mg kit
99.23%HPLC purity

Tested vial: 12.88 mg · this listing: 5 mg

Other strength tested Purity & content
Janoshik #121855key 5VZXZD8NAF97 View certificate ↗
HK PeptideMar 16, 2026

LL-37

5mg kit
99.54%HPLC purity

5.04 mg measured · 5 mg on the label +0.8%

✓ This strength Purity & content
Janoshik #121858key 1PAT3YAR1S1L View certificate ↗
HK PeptideFeb 13, 2026

GHK-Cu

100mg kit
99.39%HPLC purity

Tested vial: 66.11 mg · this listing: 100 mg

Other strength tested Purity & content
Janoshik #107750key I65MN1AEG89N View certificate ↗
HK PeptideFeb 13, 2026

GHK-Cu

50mg kit
99.39%HPLC purity

66.11 mg measured · 50 mg on the label +32.2%

✓ This strength Purity & content
Janoshik #107750key I65MN1AEG89N View certificate ↗
HK PeptideFeb 13, 2026

Semax

11mg kit
99.33%HPLC purity

11.3 mg measured · 11 mg on the label +2.7%

✓ This strength Purity & content
Janoshik #107748key 962A5E58THAT View certificate ↗
HK PeptideFeb 13, 2026

Semax

5mg kit
99.33%HPLC purity

Tested vial: 11.3 mg · this listing: 5 mg

Other strength tested Purity & content
Janoshik #107748key 962A5E58THAT View certificate ↗
HK PeptideFeb 9, 2026

MOTS-c

40mg kit
99.55%HPLC purity

41.94 mg measured · 40 mg on the label +4.8%

✓ This strength Purity & content
Janoshik #106001key J9AU45KYYTXY View certificate ↗
HK PeptideDec 18, 2025

TB-500

10mg kit
99.56%HPLC purity

10.31 mg measured · 10 mg on the label +3.1%

✓ This strength Purity & content
Janoshik #94666key UN7PMWQS9YZS View certificate ↗
HK PeptideDec 18, 2025

TB-500

5mg kit
99.56%HPLC purity

Tested vial: 10.31 mg · this listing: 5 mg

Other strength tested Purity & content
Janoshik #94666key UN7PMWQS9YZS View certificate ↗
Listings without a public report yet (268)

We can request the batch COA from the brand before you order. Ask us →

Tested your own vial?

If an independent test of a vial you bought here shows the wrong compound or a significant under-fill, open a claim while the order is still in escrow. The brand is not paid while a claim is open.

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Shop by brandHK Peptide111 products · 53 lab-testedVisit store →TFC Peptides192 productsVisit store →Uther Peptide105 products · 87 lab-testedVisit store →Compare all brands →
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