✓ Purity · passBatch · f9j57bzShop-provided sample
Retatrutide × puretestedpeptides.com — Lab Test, April 2026
Tested · submitted by @Frank 👑 Legend
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
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 code
f9j57bzLook it up on Krause Analytical ↗Checked Apr 28, 2026
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%
0label125%
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
Independent HPLC purity analysis of Retatrutide from puretestedpeptides.com, 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
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