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✓ Purity · passShop-provided sample

Tesamorelin × Zen Aminos — lab test, 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
99.34%
✓ Excellent purity only
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Independent verification available

Horizon Analytical 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.

This certificate carries no lookup code.

Test results

7 data points
Purity
99.34%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
9.9 mg
Qty match
99% of labeled · -1%
Batch / Lot
ZA-8738730
Container
White Lyophilized Powder
Tested by
Horizon AnalyticalView 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 9.9 mg

99% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.5 mg using the measured mass, against 2.5 mg on the label — 1% 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.

Independent HPLC purity analysis of Tesamorelin from Zen Aminos, performed by Horizon Analytical on February 28, 2026. Reported purity: 99.34%. Net content: 9.9 mg against 10 mg labeled (99% of label). Batch ZA-8738730. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Horizon Analytical · Feb 28, 2026 · Batch ZA-8738730

Other lots of Tesamorelin from Zen Aminos

LotTestedLabPurityvs labelStatus
ZATS0318 Apr 2026Freedom Diagnostics99.89%104%Unverified
ZATS0220 Dec 2025Freedom Diagnostics99.222%99%Unverified
Zatai0110 Sept 2025Freedom Diagnostics99.1%104%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 577 other Tesamorelin tests on Peptigrity range from 88.28% to 99.99%. This one sits at 99.34%.

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