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✓ Purity · passShop-provided sample

GLP1-S4 × Peptidology — lab test, August 2025

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Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
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
99.8%
✓ Excellent purity only
PeptideGLP1-S4
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Test results

6 data points
Purity
99.8%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
20 mg
Tested qty
22.72 mg
Qty match
114% of labeled · +14%
Batch / Lot
1362
Tested by
Vanguard LaboratoryView profile →

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 20 mg · Lab measured 22.72 mg

114% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 5.7 mg using the measured mass, against 5 mg on the label — 14% 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 GLP1-S4 from Peptidology, performed by Vanguard Laboratory on August 28, 2025. Reported purity: 99.8%. Net content: 22.72 mg against 20 mg labeled (114% of label). Tested content exceeds the labeled amount by 14%. Batch 1362. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Vanguard Laboratory · Aug 28, 2025 · Batch 1362

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