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Purity · pass✓ Lab-verifiedShop-provided sample

Retatrutide — lab test, April 2026

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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
99.9%
Excellent purity only
BrandShop withheld
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA f9j57bz matches Krause Analytical's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codef9j57bz

Test results

6 data points
Purity
99.9%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
9.5 mg
Qty match
95% of labeled · -5%
Batch / Lot
f9j57bz
COA number
f9j57bz
Tested by
Krause AnalyticalView profile →

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 10 mg · Lab measured 9.5 mg

95% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.4 mg using the measured mass, against 2.5 mg on the label — 5% 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.

Verification trail
Report numberf9j57bz
Portal lookup✓ Lab-verified
Checked4 Aug 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalKrause Analytical's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of Retatrutide, performed by Krause Analytical on April 28, 2026. Reported purity: 99.9%. Net content: 9.5 mg against 10 mg labeled (95% of label). Batch f9j57bz. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Krause Analytical · Apr 28, 2026 · Batch f9j57bz

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The 1316 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.90%.

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