Zhengzhou Lan Yun Cosmetic Trading Retatrutide
As of 9 Aug 2026, Finnrick has published 11 independent lab tests of Retatrutide from Zhengzhou Lan Yun Cosmetic Trading: 8 passed and 3 failed under the default public standard, Purity Focus (HPLC purity at least 99.5%, fill within ±35% of the label claim). The latest test is dated 13 Jul 2026. The current Finnrick rating for Zhengzhou Lan Yun Cosmetic Trading Retatrutide is 76%.
Finnrick ratings are recency-weighted pass percentages: newer tests count more, and vendors with thin test histories are pulled toward the peer baseline for that peptide, so a single result cannot look too certain. Samples are analyzed by independent partner laboratories and the results are published by Finnrick Analytics, which does not sell peptides and does not accept payment to alter ratings. Corrections to published data are recorded at finnrick.com/corrections.
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| Date | Result | Certificate |
|---|---|---|
| 13 Jul 2026 | Pass | Certificate rr796q4 |
| 1 Jul 2026 | Fail | Certificate 334jdnz |
| 8 Jun 2026 | Pass | Certificate w2c62sg |
| 27 May 2026 | Pass | Certificate z3mrw2x |
| 3 Mar 2026 | Pass | Certificate vcfa35n |
| 26 Feb 2026 | Fail | Certificate vtuehve |
| 26 Jan 2026 | Pass | Certificate wu2vw69 |
| 19 Jan 2026 | Fail | Certificate kvek9fu |
| 15 Jan 2026 | Pass | Certificate 5qq3z4h |
| 7 Jan 2026 | Pass | Certificate ptmzgmy |
| 7 Jan 2026 | Pass | Certificate 23tydjt |