For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Testing lab

MZ Biolabs

MZ Biolabs is an independent analytical lab whose certificates of analysis appear across the vendors and lots tracked on Merit Verified. The figures below are drawn from the test reports we currently have on file for this lab.

Vendors covered: 4
Peptides tested: 10
Latest report: Feb 2026

Who they test for

Top vendors served

What they test

Top peptides tested

Tirzepatide 13 COAs
Retatrutide 5 COAs
BPC-157 5 COAs
Ipamorelin 4 COAs
Tesamorelin 3 COAs
Semax 3 COAs
Semaglutide 3 COAs
GHK-Cu 3 COAs
TB-500 2 COAs
Survodutide 2 COAs

Recent analyses

Latest COAs from MZ Biolabs

Most recent test reports on file.

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Ipamorelin

by Ascension Peptides· batch 06-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

BPC-157

by Ascension Peptides· batch 11-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

BPC-157

by Ascension Peptides· batch 11-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

PT-141

by Ascension Peptides· batch 28-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Bremelanotide

by Ascension Peptides· batch 28-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Semax

by Ascension Peptides· batch 30-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Retatrutide

by Ascension Peptides· batch 03-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Retatrutide

by Ascension Peptides· batch 03-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

FOXO4-DRI

by Ascension Peptides· batch 55-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

FOXO4-DRI

by Ascension Peptides· batch 55-01260229

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

PE-22-28

by Ascension Peptides· batch 41-06250728

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

PE-22-28

by Ascension Peptides· batch 41-06250728

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Sermorelin

by Ascension Peptides· batch 38-07250828

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Retatrutide

by Profound Aminos· batch 2025-08-19

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Retatrutide

by Profound Aminos· batch 2025-06-06

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Vasoactive Intestinal Peptide (VIP)

by Profound Aminos· batch 2025-05-19

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

CagriSema

by Profound Aminos· batch 2025-04-31

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

BPC-157

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Semax

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

BPC-157

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

GHK-Cu

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

SS-31 (Elamipretide)

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Melanotan I

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

SNAP-8

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Melanotan II

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

TB-500

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Selank

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Ipamorelin

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

GHK-Cu

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Kisspeptin-10

by Profound Aminos· batch 2025-04-02

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Thymosin beta4

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

ARA-290

by Profound Aminos· batch 2025-04-03

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Tirzepatide

by Profound Aminos· batch 2025-03-19 black cap

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Tirzepatide

by Profound Aminos· batch 2025-02-26 lavendar cap

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Tirzepatide

by Profound Aminos· batch 2025-02-26 blue cap

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Tirzepatide

by Profound Aminos· batch 2025-02-26 white cap

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Tirzepatide

by Profound Aminos· batch 2025-02-26 blue cap

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Tirzepatide

by Profound Aminos· batch 2025-02-26 clear cap

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

Semaglutide

by Profound Aminos· batch 2025-02-26 white cap

Aggregated · 3rd-party listing

MZ Biolabs · HPLC

For

AOD-9604

by Profound Aminos· batch 2025-02-18 Lavender cap