Forumshangdong yixin · Shop talk · 8 replies
✓ Purity · passShop-provided sample

Retatrutide — lab test, October 2026

Tested · submitted by @Peptigrity 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. The Trust Score counts it like any other published test; who sourced the vial is shown so you can weigh it yourself.How we weigh evidence →
HPLC Purity
99.76%
✓ Excellent purity only
BrandShop withheld
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
99.76%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
40 mg
Tested qty
39.21 mg
Qty match
98% of labeled · -2%
Batch / Lot
N/A
COA number
RT40-20261019S3383

Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.

About this test

What’s in the vial

Label 40 mg · Lab measured 39.21 mg

98% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 9.8 mg using the measured mass, against 10 mg on the label — 2% less.

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 on October 21, 2026. Reported purity: 99.76%. Net content: 39.21 mg against 40 mg labeled (98% of label). Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Independent lab test · Oct 21, 2026 · Batch N/A

Related lab tests

4 tests

The 1511 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.76%.

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