HomeLab Tests Stratford Peptides, DSIP (Delta Sleep-inducing Peptide)
Purity · passShop-provided sample

DSIP (Delta Sleep-inducing Peptide) × Stratford Peptides — Lab Test, April 2026

Lot100014068look this batch up across every shop →
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%
Excellent purity only
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Test results

7 data points
Purity
99%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
25 mg
Tested qty
9.84 mg
Qty match
39% of labeled · -61%
Batch / Lot
100014068
Container
White powder in glass vial
Tested by
Analiza BiałekView 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 25 mg · Lab measured 9.84 mg

39% 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 6.3 mg on the label — 61% 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 stratfordpeptides.com, performed by Analiza Białek on April 24, 2026. Reported purity: 99%. Net content: 9.84 mg against 25 mg labeled (39% of label). Tested content is 61% below the labeled amount. Batch 100014068. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Analiza Białek · Apr 24, 2026 · Batch 100014068

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 99.00%.

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