Trust the Data. Not the Source.
| Vendor / Client | Tests | Best Purity | Latest Test |
|---|---|---|---|
| Sigma Audley | 28 | 99.97% | 02 MAY 2025 |
| Amolist | 16 | 99.88% | 04 NOV 2025 |
| Shanghai Senria Tech | 12 | 99.79% | 22 SEP 2025 |
| Nantong Guangyuan Pharma | 11 | 99.86% | 07 JAN 2026 |
| Eros Peptides | 10 | 99.77% | 29 JUN 2025 |
| Orbitrex Peptide | 9 | 99.72% | 23 DEC 2025 |
| zztai Peptide Ltd | 7 | 99.86% | 18 DEC 2025 |
| Cocer Peptides | 6 | 99.90% | 18 NOV 2025 |
| gooddaisy2004@gmail.com | 6 | 99.77% | 09 DEC 2025 |
| Nexaph | 5 | 99.79% | 26 MAY 2025 |
| MandyBio | 5 | 99.97% | 02 OCT 2025 |
| Peptide Gurus | 4 | 99.69% | 31 OCT 2025 |
| Reta-Peptide | 4 | 99.86% | 13 JUN 2025 |
| ModernPeptides.com | 4 | 99.80% | 16 JAN 2026 |
| Angel Shanghai Chemical | 4 | 99.72% | 05 MAR 2025 |
| MIX Peptides | 4 | 99.92% | 13 NOV 2025 |
| utherpeptide.com | 4 | 99.61% | 07 JAN 2026 |
| Peptira.com | 3 | 99.93% | 13 AUG 2025 |
| Penguin Peptides | 3 | 99.72% | 28 JUL 2025 |
| Royal Peptides | 3 | 99.95% | 28 AUG 2025 |
| Shanghai Fushida Chemical | 3 | 99.72% | 06 AUG 2025 |
| Orbitrex Peptides | 3 | 99.97% | 23 DEC 2025 |
| alex.barn001@gmail.com | 3 | 99.80% | 19 JAN 2026 |
| JP | 3 | 99.79% | 01 OCT 2025 |
| Peptide-ABC | 3 | 99.90% | 23 DEC 2025 |
| G | 3 | 99.89% | 19 DEC 2025 |
| Qing Li Peptide | 2 | 99.73% | 11 AUG 2025 |
| Researchem | 2 | 99.47% | 03 JUN 2025 |
| Cathy | 2 | 99.44% | 28 APR 2025 |
| regenix-peptides.co.uk | 2 | 99.75% | 09 OCT 2025 |
| Licensed Peptides | 2 | 99.72% | 09 OCT 2025 |
| ALLUVI HEALTH CARE | 2 | 99.86% | 01 OCT 2025 |
| Purus Peptides | 2 | 99.75% | 09 OCT 2025 |
| Biospeptides.com | 2 | 99.81% | 04 DEC 2025 |
| Qian Yecao | 2 | 99.19% | 25 MAR 2025 |
| XYX | 2 | 99.68% | 12 AUG 2025 |
| Allen Bio Company | 2 | 99.88% | 14 AUG 2025 |
| LSPL | 2 | 99.84% | 12 NOV 2025 |
| med.tech.sz2023@gmail.com | 2 | 99.79% | 03 NOV 2025 |
| Bella HK | 2 | 99.95% | 08 OCT 2025 |
| Finnrick | 2 | 99.70% | 01 JAN 2026 |
| Alpha & Omega Peptide | 2 | 99.62% | 2025-07-18 |
| MPS | 2 | 99.82% | 03 NOV 2025 |
| RetaEU.nl | 2 | 99.86% | 07 JAN 2026 |
| liujanice78@gmail.com | 2 | 99.81% | 26 NOV 2025 |
| NuraPeptide | 2 | 99.87% | 05 SEP 2025 |
| Walker Chemicals (WKC) | 2 | 99.65% | 12 NOV 2025 |
| eastpeptide | 2 | 99.78% | 10 OCT 2025 |
| Homopeptide.com | 2 | 99.55% | 29 JAN 2026 |
| XT Peptides | 1 | 99.24% | 29 APR 2025 |
| sales@bosetech-chem.com. | 1 | 99.50% | 05 MAY 2025 |
| Modern Peptides | 1 | 99.83% | 08 MAY 2025 |
| Rayshine Peptides | 1 | 99.52% | 05 JUN 2025 |
| AminoPure | 1 | 99.59% | 20 JUN 2025 |
| cdtongtuantai@163.com | 1 | 99.56% | 23 JUN 2025 |
| Peptide Sciences | 1 | 99.52% | 2024-08 |
| niwza1120@gmail.com | 1 | 99.35% | 04 JUL 2025 |
| Fenrir Labs Uk LTD | 1 | 99.75% | 07 JUL 2025 |
| Lilipetide | 1 | 99.78% | 08 JUL 2025 |
| protopeptide.is | 1 | 99.14% | 08 JUL 2025 |
| MEI-PEPETIDE | 1 | 99.66% | 19 JUL 2025 |
| Modern Peptides.com | 1 | 99.71% | 05 AUG 2025 |
| HM Peptide | 1 | 99.36% | 12 AUG 2025 |
| Bad and Bougee/OPAAT | 1 | 99.91% | 14 AUG 2025 |
| wslabus@gmail.com | 1 | 99.92% | 22 AUG 2025 |
| Lipo-Peptide | 1 | 99.24% | 25 AUG 2025 |
| Jessie +85246396883 | 1 | 99.57% | 25 AUG 2025 |
| Rayshine Peptide | 1 | 99.24% | 25 AUG 2025 |
| Sigmatech Peptide | 1 | 99.24% | 25 AUG 2025 |
| Mandy | 1 | 99.85% | 28 AUG 2025 |
| SH Peptide Ltd | 1 | 99.57% | 10 SEP 2025 |
| www.researchism.store | 1 | 99.18% | 01 OCT 2025 |
| USRoids | 1 | 99.86% | 14 OCT 2025 |
| liuquanqun@gmail.com | 1 | 99.77% | 03 NOV 2025 |
| info@lunarbiotech.com | 1 | 99.51% | 31 OCT 2025 |
| sales@researchism.shop | 1 | 99.68% | 05 NOV 2025 |
| bella@xtpep.com | 1 | 99.88% | 07 NOV 2025 |
| support@peptidesoflondon.com | 1 | 99.71% | 12 NOV 2025 |
| www.biochemapi.com | 1 | 99.85% | 28 NOV 2025 |
| HGP | 1 | 99.40% | 25 NOV 2025 |
| Alpha BioPharma | 1 | 99.64% | 04 DEC 2025 |
| lilawayne2004@gmail.com | 1 | 99.77% | 12 DEC 2025 |
| uwa-biotech | 1 | 99.75% | 22 DEC 2025 |
| Coastal Peptides | 1 | 99.76% | 10/01/25 |
| Edge Peptides | 1 | 99.50% | 15 APR 2025 |
| Shenzhen Biolink Biotechnology | 1 | 99.78% | 21 OCT 2024 |
| Guangebio | 1 | 99.86% | 25 OCT 2024 |
| ZLZPeptide | 1 | 99.26% | 28 OCT 2024 |
| Tianjin Cangtu | 1 | 99.81% | 10 JAN 2025 |
| Qingdao Sigma Chemical | 1 | 98.34% | 17 JAN 2025 |
| Reliable Place | 1 | 99.11% | 28 FEB 2025 |
| Yiwu Changtu | 1 | 99.43% | 02 APR 2025 |
| Shanghai ZYH Biotechnology | 1 | 99.25% | 02 APR 2025 |
| M-Science | 1 | 99.39% | 16 APR 2025 |
| APS | 1 | 99.70% | 22 MAY 2025 |
| PTB | 1 | 98.50% | 10 JUN 2025 |
| Xi’an Prius Biological Engineering Co | 1 | 99.70% | 08 JUL 2025 |
| GrayHQ | 1 | 99.75% | 25 SEP 2025 |
| SSS | 1 | 99.86% | 26 SEP 2025 |
| M Peptide Science | 1 | 99.99% | 07 OCT 2025 |
| CHP | 1 | 99.28% | 18 NOV 2025 |
| UNKNOWN | 1 | 99.94% | 17 DEC 2025 |
| STG Group Testers | 1 | 99.67% | 16 DEC 2025 |
| Olympic Research | 1 | 99.80% | 27 AUG 2025 |
| NovoPro Bioscience | 1 | 99.43% | 21 DEC 2025 |
| HK Peptide Ltd | 1 | 99.19% | 18 DEC 2025 |
| gempeppers1980@gmail.com | 1 | 99.61% | 24 OCT 2025 |
| ezpeptides.com | 1 | 99.68% | 22 DEC 2025 |
| Orbitrex | 1 | 99.90% | 05 JAN 2026 |
| support@orbitrexpeptide.com | 1 | 99.50% | 18 JUN 2025 |
| MVTG | 1 | 99.65% | 23 OCT 2025 |
| ellasong968@gmail.com | 1 | 99.29% | 24 OCT 2025 |
| GlrTirz | 1 | 99.92% | 10 DEC 2025 |
| Peptide Pole HongKong | 1 | 99.64% | 12 DEC 2025 |
| professorpeptides.org | 1 | 99.17% | 16 SEP 2025 |
| Biolongevity Labs | 1 | 99.84% | 11 FEB 2025 |
| Forge Biolab | 1 | 99.20% | 11 JUL 2025 |
| Internal | 1 | 99.14% | 20/05/2025 |
| MEI-PEPTIDE | 1 | 99.48% | 19 NOV 2025 |
| crystalpeptides.eu | 1 | 99.84% | 04 DEC 2025 |
| Peptidegurus | 1 | 99.24% | 19 JAN 2026 |
| LS Testing x Rhydanik | 1 | 99.91% | 03 DEC 2025 |
| ERP | 1 | 99.53% | 01 OCT 2025 |
| cellpept.eu | 1 | 99.14% | 03 OCT 2025 |
| https://lejianbiotech-peptide.com | 1 | 99.40% | 01 DEC 2025 |
| Hangzhou Subi Peptide Technology Co.,Ltd | 1 | 99.76% | 20 NOV 2025 |
| Uther Pharmaceutical | 1 | 99.95% | 14 AUG 2025 |
| east peptide | 1 | 99.91% | 06 JAN 2026 |