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🔬 Lab reports

Independent lab reports

We send Flux Labs products to Janoshik Analytical, an independent testing lab, to check what's really inside. Every report below can be checked on Janoshik's own website with its verification key.

Independent labTested by Janoshik Analytical, not by us
Check it yourselfEach report has a key you can verify
Real resultsExact purity and amount found, as printed

Published reports

Janoshik lab report #238231 for Flux Labs GHK-Cu 100 mg

GHK-Cu · 100 mg vial

✓ Passed

Janoshik Analytical · Report #238231 · Tested 30 Sep 2026

Purity
99.840%
Amount found
111.76 mg / 100 mg label

GHK content 93.01 mg, copper content 18.75 mg.

Verification key 5V6QKIGZ9LXC
Janoshik lab report #238232 for Flux Labs Retatrutide 30 mg

Retatrutide · 30 mg vial

✓ Passed

Janoshik Analytical · Report #238232 · Tested 30 Sep 2026

Purity
99.818%
Amount found
35.57 mg / 30 mg label

Blind test: the lab screened for Semaglutide, Tirzepatide and Retatrutide and identified Retatrutide.

Verification key PL4HIU6XGQZ4

Coming soon

Reports for these products are coming soon. They'll appear here as soon as we have them.

How to check a report yourself

1

Open it on Janoshik

Tap "Verify at Janoshik" on a report. It opens the report on the lab's own website.

2

Match the key

The verification key on Janoshik's page should match the key shown here.

3

Compare the details

Check the report number, test date, purity and amount match what we show.

For research use only. Results apply to the tested sample shown in each report.