HomeLab Tests penguin peptides, Retatrutide
Purity · passShop-provided sample

Retatrutide × penguin peptides — lab test, January 2026

Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.465%
Excellent purity only
PeptideRetatrutide
LabUnknown
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COA on file — not portal-verified

This lab doesn't publish a public lookup, so we can't confirm the certificate against the lab's own record. The document was reviewed before publication, but it rests on our review alone.

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Test results

4 data points
Purity
99.465%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
5.56 mg
Qty match
111% of labeled · +11%
Batch / Lot
N/A

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

What’s in the vial

Label 5 mg · Lab measured 5.56 mg

111% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.4 mg using the measured mass, against 1.3 mg on the label — 11% more.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Independent HPLC purity analysis of Retatrutide from penguin peptides on January 20, 2026. Reported purity: 99.465%. Net content: 5.56 mg against 5 mg labeled (111% of label). Tested content exceeds the labeled amount by 11%. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Independent lab test · Jan 20, 2026 · Batch N/A

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