Forumshangdong yixin · Shop talk · 8 replies
✓ Purity · passShop-provided sample

ARA-290 × Biotech Peptides — lab test, July 2026

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Tested · submitted by @Lavoisier 👑 Legend
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
99.51%
✓ Excellent purity only
Counts toward Biotech Peptides's Trust Score until 15 Jul 2028
PeptideARA-290
See Biotech Peptides reviews & all 19 lab tests
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Independent verification available

MZ Biolabs 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

6 data points
Purity
99.51%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
16 mg
Tested qty
16 mg
Qty match
100% of labeled · +0%
Batch / Lot
3141007
Tested by
MZ BiolabsView 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 16 mg · Lab measured 16 mg

100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 4 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.

Independent HPLC purity analysis of ARA-290 from Biotech Peptides, performed by MZ Biolabs on July 15, 2026. Reported purity: 99.51%. Net content: 16 mg against 16 mg labeled (100% of label). Batch 3141007. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by MZ Biolabs · Jul 15, 2026 · Batch 3141007

Related lab tests

8 tests

The 101 other ARA-290 tests on Peptigrity range from 53.90% to 99.99%. This one sits at 99.51%.

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