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Certificate record

Retatrutide, lot 43-01260229

MZ Biolabs assayed lot 43-01260229 of Retatrutide from Ascension Peptides at 99.88% purity on 26 Jan 2026, reporting 35.29 mg against a 30 mg label, 17.6% above the labelled mass.

Assayed 26 Jan 2026 · MZ Biolabs · Ascension Peptides · record id coa-ascensionpeptides-43-01260229

What the certificate reports

CompoundRetatrutide
Lot identifier43-01260229
Purity99.88%
Labelled mass30 mg
Assayed mass35.29 mg
Difference17.6% above the label
Assay date26 Jan 2026
Testing laboratoryMZ Biolabs
Who commissioned itPublished by the vendor. Scored as a claim, not as corroboration — only an independently commissioned assay counts as verified.
Source documenthttps://ascensionpeptides.com/wp-content/uploads/2026/02/COA_Retatrutide_43-01260229_20260201.pdf

Check it yourself

MZ Biolabs does not publish a public lookup we have been able to find, so this certificate can be read but not independently re-pulled from the laboratory. The document above is the copy the vendor published. Where a laboratory does offer a lookup, we say so and link it.

A certificate describes the sample it names and nothing else. It is not a statement about any other lot, and it is not an endorsement of the vendor or of any use of the material.

Other lots from Ascension Peptides

Retatrutide from other vendors