What the DSIP record shows

Evidence through 2026-09-23

TitrateLab tracks 877 published DSIP certificate-of-analysis source records through 2026-09-23, each with a recorded purity or measured-versus-label amount result. Across 877 records with a numeric peptide-purity result, including zero, the median reported purity is 99.3%. Across 752 records with measured-versus-label dose data, 42% are within 10% of the labeled quantity. This is a public convenience sample, not a randomized market survey; one result describes one submitted sample and does not verify other batches.

Published records with a non-null purity or measured-versus-label amount result. Matching uses a normalized compound slug. No deduplication in this archive summary; relays and corrected records can remain separate. Records with neither measurement are excluded here, but can appear in the research overview's exact-token raw-record total. These are not unique certificates or batches. TitrateLab indexes reports from third-party laboratories.

Aggregate calculated: 2026-09-24T23:21:15.817040+00:00. Calculation time is not a test date.

Published records877
Reported purity99.3% median · 877 results
Dose accuracy42% within ±10% · 752 results
Endotoxin100% pass · 25 determinate results
Evidence dates2023-11-03 to 2026-09-23
Limits and missing evidence
  • The testing laboratory is unattributed on 7 records.
  • Coverage depends on reports that were published and available to ingest.
Assay metrics

DSIP lab-testing metrics

877
Certificates
99.3%
Median reported purity (zero included)
92%
Purity records ≥ 99%
0
Source records reporting zero purity
7
Testing labs
450
Vendors
Mean purity99.2% Below 90% purity0% Mean dose vs label+9.8% Underfilled10% Endotoxin pass100% Within 10% of label dose42% Overdosed ≥ +7%55% Underdosed ≤ −7%14%

COAs per testing lab

Every lab testing DSIP in the corpus.

Freedom Diagnostics 717 99.3% med
Janoshik 117 99.6% med
Chromate 22 98.9% med
Unattributed / lab unknown 7 99.8% med
ILS Laboratories 5 99.1% med
Vanguard Laboratory 5 99.1% med
Testides 2 98.6% med
SR BIO LABS 1 99.1% med

Tested-purity distribution

Bins below 90% tested purity (0% of numeric purity records).

DSIP tested-purity distribution
Purity rangeCertificates
0–50%0
50–70%0
70–80%0
80–85%0
85–90%2
90–91%1
91–92%0
92–93%1
93–94%0
94–95%2
95–96%2
96–97%2
97–98%8
98–99%56
99–100%803

COAs over time

DSIP source records by test month (discovery month when test date is absent).

DSIP certificates per month
MonthCertificates
2023-111
2024-012
2024-041
2024-051
2024-063
2024-071
2024-082
2024-091
2024-111
2024-121
2025-018
2025-024
2025-037
2025-046
2025-056
2025-068
2025-0721
2025-086
2025-0928
2025-1039
2025-1141
2025-1245
2026-0139
2026-0253
2026-0355
2026-0456
2026-0585
2026-0690
2026-0785
2026-08104
2026-0977

Most-tested vendors

Top 10 of 15 vendors by DSIP certificate count.

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Lab evidence

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Lab evidence

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6 lab reports from this vendor

This chart compares report counts for this compound. A larger test history does not establish better purity, dose accuracy or endotoxin results. Inspect the individual reports to compare measurements.

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Lab evidence

Free preview

Explore this vendor’s lab reports

Pick a compound, then a report, to see what the lab measured. Each report counts once, and only reports with a source link and a readable result appear here, so this list can hold fewer reports than the total above.

TitrateLab Pro Which vendor is this?

Pro shows the vendor’s name, its original lab reports and batch details.

Vendor behind these reportsVendor name available with Pro
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  • Vendor names on every ranking and chart
  • Original COAs with batch details
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+ 5 more vendors with fewer certificates.

Published DSIP certificates of analysis

877 records. Zero guesswork.

Unlock the actual vendor, purity, dose accuracy, lab, batch and saved certificate for every DSIP result.

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Illustrative structure only. No record-level values are present in this preview.

More COA results by compound