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✓ Purity · passShop-provided sample

Thymosin-Alpha 1 (A1) × Peptidology — lab test, lot 1670, February 2026

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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
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Independent verification available

Vanguard Laboratory publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

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Test results

7 data points
Purity
99.8%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
11.3 mg
Qty match
113% of labeled · +13%
Batch / Lot
1670
Container
Blue vial with black cap and white label
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 10 mg · Lab measured 11.3 mg

113% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.8 mg using the measured mass, against 2.5 mg on the label — 13% 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 Thymosin Alpha-1 from Peptidology, performed by Vanguard Laboratory on February 26, 2026. Reported purity: 99.8%. Net content: 11.3 mg against 10 mg labeled (113% of label). Tested content exceeds the labeled amount by 13%. Batch 1670. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Vanguard Laboratory · Feb 26, 2026 · Batch 1670

Other lots of Thymosin-Alpha 1 (A1) from Peptidology

LotTestedLabPurityvs labelStatus
166924 Feb 2026Vanguard Laboratory99.8%107%Unverified
13646 Oct 2025Vanguard Laboratory99.57%113%Unverified
135617 Jun 2025Vanguard Laboratory99.41%99%Unverified

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

7 tests

The 239 other Thymosin-Alpha 1 (A1) tests on Peptigrity range from 97.00% to 99.98%. This one sits at 99.80%.

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