MZ Biolabs

Identity

• MZ Biolabs’ site gives its address as 2102 N Country Club Rd, Suite C, Tucson, AZ 85716. (Source: mzbiolabs.com, read October 21, 2026.)
• It states that it was founded to provide specialty testing and discovery services for the research, medical and veterinary markets, using mass spectrometry (linear ion trap and QTOF) and HPLC. (Source: mzbiolabs.com, read October 21, 2026.)
• Its home page states “MZ Biolabs is DEA licensed: RP0584676”. (Source: mzbiolabs.com, read October 21, 2026.)

Accreditation

The pages of mzbiolabs.com read on October 21, 2026 (home, about) state no laboratory accreditation.

How verification works

MZ Biolabs certificates carry a “Proof of authenticity” QR code that opens the lab’s own certificate viewer (mzbiolabs.com/umbraco/surface/certificate/display?certificateId=<id>). Prof. Peptide’s matches were made there (Browser, October 14, 2026), after an invented id returned “No certificate with the ID … was found.”

A match confirms the certificate is MZ Biolabs’ own stored record; it does not confirm chain of custody between the tested sample and a specific vial.

Source: mzbiolabs.com, October 21, 2026.

Certificates Prof. Peptide matched at MZ Biolabs

3 certificates from 1 vendor, each found at MZ Biolabs’ own lookup after that lookup refused an invented code, and counted by the same rule as the vendor’s verification panel.

• Spartan Peptides · 3 certificates, checked October 14, 2026

Tests reported on the matched certificates

As the certificates above report them. A test absent from this list was not on these certificates; it says nothing about what MZ Biolabs offers.

Purity (HPLC) · Quantity per unit (HPLC)

Limitations

• Prof. Peptide checks certificates through the same public lookup a reader would use, and has not visited the laboratory or observed testing directly.