Zen Peptides
Ordered peptides from Zen Peptides? Mail in a sample (US only) and let us test it.
Test my supplyZen Peptides shows its cleanest Purity focus evidence in GHK-Cu, with Retatrutide and Tirzepatide improving after earlier purity or fill misses. Tesamorelin remains the weak spot with repeated purity failures and large overfills, while sparse batch IDs and a small but recent record keep uncertainty high.
We investigated who actually operates Zen Peptides — corporate records, ownership trails, web infrastructure, and how its lab results break down product by product. Read the full report before you order.
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Ordered peptides from Zen Peptides? Mail in a sample (US only) and let us test it.
Test my supply| Date | Result | Test | Lab | Purity | Dosage | Label | COA |
|---|---|---|---|---|---|---|---|
24 Sep 2026 | Pass | Retatrutide Zen Peptides | lab name | View COA | |||
24 Sep 2026 | Pass | Tirzepatide Zen Peptides | lab name | View COA | |||
20 Jul 2026 | Fail | Retatrutide Zen Peptides | lab name | View COA | |||
18 Mar 2026 | Pass | NAD+ Zen Peptides | lab name | View COA | |||
4 Mar 2026 | Pass | Tirzepatide Zen Peptides | lab name | View COA | |||
4 Mar 2026 | Pass | BPC-157 Zen Peptides | lab name | View COA | |||
3 Mar 2026 | Pass | Retatrutide Zen Peptides | lab name | View COA | |||
3 Mar 2026 | Pass | Retatrutide Zen Peptides | lab name | View COA | |||
1 Mar 2026 | Fail | NAD+ Zen Peptides | lab name | View COA | |||
20 Feb 2026 | Pass | Tirzepatide Zen Peptides | lab name | View COA | |||
About Zen Peptides test results from Finnrick
Zen Peptides is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 7 peptides and 35 tests, including ratings, observed price signals, recent test dates, and correction history where available.
Finnrick ratings are calculated from published sample data using the selected rating standard. The default standard evaluates purity, dose accuracy, and label quality, then adjusts low-volume results so small sample counts do not appear more certain than the data supports.
The most visible Zen Peptides peptides in this dataset are BPC-157 (3 tests), GHK-Cu (4 tests) and Ipamorelin (3 tests). Use the peptide table above to compare the current Finnrick rating, price per mg, and sample volume for each peptide.
Recent tests and corrections are shown below when available. Samples may be acquired by Finnrick directly or submitted through Finnrick testing programs; the goal is to make safety and supply-chain evidence easier to evaluate than vendor marketing claims alone. This page currently lists 35 recent tests.
Ordered peptides from Zen Peptides? Mail in a sample (US only) and let us test it.
Test my supply