Independently Verified

Lab Testing & Certificates of Analysis

We don't ask you to take our word for it. Every batch we sell is tested by an independent New Zealand laboratory for identity and purity before release.

01

Source

Raw peptide is sourced from GMP-audited manufacturing partners with full documentation.

02

Test

An independent lab runs HPLC and mass spectrometry analysis on every incoming batch.

03

Seal

Once verified, vials are filled, tamper-sealed, and stamped with a traceable batch number.

04

Publish

The Certificate of Analysis for that batch is published here and included with your order.

Certificates Of Analysis

Batch Purity Results

Download the latest Certificate of Analysis for each peptide currently in stock. Batch numbers correspond to the label on your vial.

BPC-157

Purity: 99.2%

Batch #NZP-BPC-0426 · Tested 12 Aug 2026

Download Certificate (PDF)

GHK-Cu

Purity: 99.0%

Batch #NZP-GHK-0311 · Tested 03 Aug 2026

Download Certificate (PDF)

Tesamorelin

Purity: 99.4%

Batch #NZP-TES-0287 · Tested 22 Jul 2026

Download Certificate (PDF)

MOTS-c

Purity: 99.1%

Batch #NZP-MOT-0198 · Tested 15 Jul 2026

Download Certificate (PDF)

Retatrutide

Purity: 99.3%

Batch #NZP-RET-0452 · Tested 20 Aug 2026

Download Certificate (PDF)

MT2 (Melanotan II)

Purity: 99.0%

Batch #NZP-MT2-0139 · Tested 05 Jul 2026

Download Certificate (PDF)

TB-500

Purity: 99.2%

Batch #NZP-TB5-0164 · Tested 11 Aug 2026

Download Certificate (PDF)

BPC-157 + TB-500

Purity: 99.1%

Batch #NZP-BTB-0075 · Tested 18 Aug 2026

Download Certificate (PDF)

CJC-1295

Purity: 99.3%

Batch #NZP-CJC-0209 · Tested 08 Aug 2026

Download Certificate (PDF)

Ipamorelin

Purity: 99.2%

Batch #NZP-IPA-0183 · Tested 06 Aug 2026

Download Certificate (PDF)

Selank

Purity: 99.0%

Batch #NZP-SEL-0092 · Tested 14 Aug 2026

Download Certificate (PDF)

Semax

Purity: 99.1%

Batch #NZP-SMX-0117 · Tested 16 Aug 2026

Download Certificate (PDF)

Can't find a batch number?

Send us your vial's batch number on WhatsApp and we'll send the matching Certificate of Analysis directly.

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Kia ora! 👋 Got a question about our peptides or an order? Message us on WhatsApp, or email us at peptidenewzealand@gmail.com and we'll get back to you shortly.