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Purity · pass✓ Lab-verifiedShop-provided sample

THYMALIN × corepeptides.com — Lab Test, April 2026

LotC73753look this batch up across every shop →
Tested · submitted by @Lavoisier 👑 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
99.8%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA V260309-14 091 matches Vanguard Laboratory's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeV260309-14 091

Test results

6 data points
Purity
99.8%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
25 mg
Tested qty
25 mg
Qty match
100% of labeled · +0%
Batch / Lot
C73753
COA number
V260309-14 091
Tested by
Vanguard LaboratoryView 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 25 mg · Lab measured 25 mg

100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 6.3 mg on both the label figure and the measured one.

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 numberV260309-14 091
Portal lookup✓ Lab-verified
Checked17 Jul 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalVanguard Laboratory's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of THYMALIN from corepeptides.com, performed by Vanguard Laboratory on April 28, 2026. Reported purity: 99.8%. Net content: 25 mg against 25 mg labeled (100% of label). Batch C73753. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Vanguard Laboratory · Apr 28, 2026 · Batch C73753

Related lab tests

8 tests

The 46 other THYMALIN tests on Peptigrity range from 20.23% to 100.00%. This one sits at 99.80%.

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