HomeLab Tests certified-pep.com, DSIP (Delta Sleep-inducing Peptide)
Purity · passShop-provided sample

DSIP (Delta Sleep-inducing Peptide) × certified-pep.com — lab test, January 2026

Sample label: Certified Peptides
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Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
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
99.04%
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

8 data points
Purity
99.04%
Endotoxins
<5.00 EU/mg
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
4.5 mg
Qty match
90% of labeled · -10%
Batch / Lot
250922DS5
Container
Small vial with pink/magenta cap / Printed label
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 5 mg · Lab measured 4.5 mg

90% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.1 mg using the measured mass, against 1.3 mg on the label — 10% 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 DSIP from certified-pep.com, performed by Vanguard Laboratory on January 5, 2026. Reported purity: 99.04%. Net content: 4.5 mg against 5 mg labeled (90% of label). Endotoxins: <5.00 EU/mg. Batch 250922DS5. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Vanguard Laboratory · Jan 05, 2026 · Batch 250922DS5

Related lab tests

8 tests

The 239 other DSIP (Delta Sleep-inducing Peptide) tests on Peptigrity range from 94.00% to 99.98%. This one sits at 99.04%.

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