Independent lab reports

Certificates of Analysis

Every report below comes from Janoshik Analytical, an independent lab. You can check each one on the lab's own website.

The Glow Stack vial as received by Janoshik, batch FG-001

Glow Stack

Batch FG-001

3 of 3peptides identified

6HK-CU
52.99 mg (labeled 50 mg)
T8-500
10.98 mg (labeled 10 mg)
8PC-157
11.49 mg (labeled 10 mg)
Purity
Not part of this test
Tested
8 Jun 2026 · Janoshik

View certificateVerify at Janoshik

Check a report yourself

Three steps, straight from the lab.

  1. 1

    Copy the task number and the key of a report below.

  2. 2

    Enter both at janoshik.com/verification, the lab's own site.

  3. 3

    The lab shows its own copy of the report. The numbers should match this page exactly.

Janoshik test report · Task #163751

RETA batch FR-001

The lab tested the sample blind for the common GLP-1 peptides (S3M46LUT1D3, T1RZ3P4T1D3 and RETA). It found RETA and measured its amount and purity.

99.746%Purity35.10mgRETA measured

Verify at Janoshik View RETA in the shop

To check this report

Task number
#163751
Verification key
GFDQVP571TFB

Results

RETA
35.10 mg
Purity
99.746%
Everything printed on the report
Client
Fresh Pen
Sample
RETA 30mg
Manufacturer
Fresh Pen
Batch
FR-001
Testing ordered
14 May 2026
Sample received
28 May 2026
Analysis conducted
5 Jun 2026
Tests requested
Common GLP-1 peptide blind test (S3M46LUT1D3, T1RZ3P4T1D3 and RETA)

Janoshik test report · Task #163752

Glow Stack batch FG-001

The lab identified each of the three peptides and measured its amount. As the report states, peptide purity was not part of this test.

52.99mg6HK-CU10.98mgT8-50011.49mg8PC-157

Verify at Janoshik View Glow Stack in the shop

To check this report

Task number
#163752
Verification key
N7FV51MSGAEL

Results

6HK-CU (6HK content) [Copper Content]
52.99 mg (46.80 mg) [6.19 mg]
T8-500 (T84)
10.98 mg
8PC-157
11.49 mg
Everything printed on the report
Client
Fresh Pen
Sample
Glow Stack
Manufacturer
Fresh Pen
Batch
FG-001
Testing ordered
14 May 2026
Sample received
28 May 2026
Analysis conducted
8 Jun 2026
Tests requested
GLOW (6HK or 6HK-CU/ T8-500/ 8PC-157) analysis - ID and amount, peptide purity not included

Reading a certificate

Four things tell you what is in the vial.

Identity
Which peptide the lab found in the sample.
Measured
How many milligrams the lab found, next to the amount on the label.
Purity
The share of the sample that is the peptide itself.
Verification key
The code that opens the lab's own copy of the report at janoshik.com.

Reports for the other products are not published yet. Questions about a report? Message us on WhatsApp.

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