What the Epithalon record shows

Evidence through 2026-09-23

TitrateLab tracks 1,177 published Epithalon certificate-of-analysis source records through 2026-09-23, each with a recorded purity or measured-versus-label amount result. Across 1,172 records with a numeric peptide-purity result, including zero, the median reported purity is 99.6%. Across 994 records with measured-versus-label dose data, 51% 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: 2026-09-24T16:22:56.941915+00:00. Calculation time is not a test date.

Published records1,177
Reported purity99.6% median · 1,172 results
Dose accuracy51% within ±10% · 994 results
Endotoxin100% pass · 39 determinate results
Evidence dates2023-04-17 to 2026-09-23
Limits and missing evidence
  • The testing laboratory is unattributed on 10 records.
  • Coverage depends on reports that were published and available to ingest.
Assay metrics

Epithalon lab-testing metrics

1,177
Certificates
99.6%
Median reported purity (zero included)
95%
Purity records ≥ 99%
0
Source records reporting zero purity
9
Testing labs
564
Vendors
Mean purity99.4% Below 90% purity0% Mean dose vs label+11.0% Underfilled4% Endotoxin pass100% Within 10% of label dose51% Overdosed ≥ +7%53% Underdosed ≤ −7%8%

COAs per testing lab

Every lab testing Epithalon in the corpus.

Freedom Diagnostics 970 99.6% med
Janoshik 156 99.5% med
Chromate 24 97.7% med
Unattributed / lab unknown 10 99.8% med
ILS Laboratories 5 99.2% med
Vanguard Laboratory 4 99.5% med
Testides 3 99.1% med
Accumark Labs 1 99.3% med
Finnrick (Lab E) 1 98.7% med
Finnrick (Lab G) 1 99.6% med

Tested-purity distribution

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

Epithalon tested-purity distribution
Purity rangeCertificates
0–50%0
50–70%1
70–80%1
80–85%1
85–90%1
90–91%0
91–92%0
92–93%1
93–94%1
94–95%1
95–96%4
96–97%6
97–98%5
98–99%37
99–100%1113

COAs over time

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

Epithalon certificates per month
MonthCertificates
2023-041
2023-091
2023-111
2024-032
2024-043
2024-053
2024-062
2024-075
2024-082
2024-092
2024-114
2024-122
2025-019
2025-022
2025-034
2025-045
2025-056
2025-0614
2025-0713
2025-0831
2025-0923
2025-1044
2025-1163
2025-1253
2026-0164
2026-0274
2026-0381
2026-0475
2026-0589
2026-06120
2026-07123
2026-08153
2026-09103

Most-tested vendors

Top 10 of 15 vendors by Epithalon certificate count.

TitrateLab ProVendor names in this chart are hidden. Lab-report counts are free.Vendor namesOriginal COAsBatch detailsBuyer reviewsPrice and stock alertsSee vendor names with Pro
Vendor name available with ProExplore reports + 26

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

Vendor name available with ProExplore reports + 23

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

Vendor name available with ProExplore reports + 11

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

Vendor name available with ProExplore reports + 11

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

Vendor name available with ProExplore reports + 9

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

Vendor name available with ProExplore reports + 8

Lab evidence

Free preview

8 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.

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

Vendor name available with ProExplore reports + 8

Lab evidence

Free preview

8 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.

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

Vendor name available with ProExplore reports + 8

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

Vendor name available with ProExplore reports + 8

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

Vendor name available with ProExplore reports + 7

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
What Pro unlocks
  • Vendor names on every ranking and chart
  • Original COAs with batch details
  • Buyer reviews for each vendor
  • Price and stock alerts for your watchlist
  • Ask Titer, the AI research assistant
See vendor names with Pro Names, original COAs and batch details

Monthly or lifetime plans. Monthly cancels anytime. Compare plans

+ 5 more vendors with fewer certificates.

Published Epithalon certificates of analysis

1177 records. Zero guesswork.

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

Sign in to view

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

More COA results by compound