ForumApex Peptides and the North Sioux City search: what's confirmed and what buyers can check· Shop talk · last reply 3 h ago
✓ Purity · passShop-provided sample

PEG MGF × Blue Sky Peptide — lab test, lot 4PUQ0226, 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
99.64%
✓ Excellent purity only
PeptidePEG MGF
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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.

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Test results

4 data points
Purity
99.64%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
2 mg
Tested qty
Not provided
Batch / Lot
4PUQ0226
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

Independent HPLC purity analysis of PEG-MGF from Blue Sky Peptide, performed by MZ Biolabs on February 10, 2026. Reported purity: 99.64%. Batch 4PUQ0226. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by MZ Biolabs · Feb 10, 2026 · Batch 4PUQ0226

Other lots of PEG MGF from Blue Sky Peptide

LotTestedLabPurityvs labelStatus
1SWMF012610 Feb 2026MZ Biolabs98.48%—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

8 tests

The 28 other PEG MGF tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.64%.

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