YuYi peptide
Ordered peptides from YuYi peptide? Mail in a sample (US only) and let us test it.
Test my supplyYuYi peptide's Purity focus record is a narrow Retatrutide-only signal, with later Retatrutide samples testing strongly for high purity and near-label fill after an initial identity, purity, and quantity failure. The trajectory improves, but dispersion is high and confidence is limited by sparse volume, no batch IDs, and little corroborating documentation.
GitHub repository metadata and an ECHEMI trading-platform listing conflict with YuYi's manufacturer-history narrative. The report traces the GitHub Pages, Gmail and WhatsApp sales stack, buyer-issued COA language, unresolved location signals and the missing payment-processor trail.
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| Date | Result | Test | Lab | Purity | Dosage | Label | COA |
|---|---|---|---|---|---|---|---|
16 Jun 2026 | Pass | Retatrutide YuYi peptide | lab name | View COA | |||
16 Jun 2026 | Incomplete | Tirzepatide YuYi peptide | lab name | View COA | |||
8 Jun 2026 | Fail | Tirzepatide YuYi peptide | lab name | View COA | |||
22 Jan 2026 | Pass | Tirzepatide YuYi peptide | lab name | View COA | |||
22 Jan 2026 | Pass | Retatrutide YuYi peptide | lab name | View COA | |||
15 Jan 2026 | Pass | Retatrutide YuYi peptide | lab name | View COA | |||
29 Dec 2025 | Fail | Retatrutide YuYi peptide | lab name | View COA | |||
3 Oct 2025 | Pass | Tirzepatide YuYi peptide | lab name | View COA | |||
About YuYi peptide test results from Finnrick
YuYi peptide is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 2 peptides and 8 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 YuYi peptide peptides in this dataset are Retatrutide (4 tests) and Tirzepatide (4 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 8 recent tests.
Ordered peptides from YuYi peptide? Mail in a sample (US only) and let us test it.
Test my supply