What the Thymosin Alpha 1 record shows

Evidence through 2026-10-10

TitrateLab tracks 828 published Thymosin Alpha 1 certificate-of-analysis source records through 2026-10-10, each with a recorded purity or measured-versus-label amount result. Across 827 records with a numeric peptide-purity result, including zero, the median reported purity is 99.7%. Across 680 records with measured-versus-label dose data, 49% 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: 2026-10-18T04:29:58.879856+00:00. Calculation time is not a test date.

Published records828
Reported purity99.7% median · 827 results
Dose accuracy49% within ±10% · 680 results
Endotoxin100% pass · 36 determinate results
Evidence dates2022-08-28 to 2026-10-10
Limits and missing evidence
  • The testing laboratory is unattributed on 11 records.
  • Coverage depends on reports that were published and available to ingest.

Thymosin Alpha 1 lab-testing metrics

828
Certificates
99.7%
Median reported purity (zero included)
98%
Purity records ≥ 99%
1
Source records reporting zero purity
7
Testing labs
419
Vendors
Mean purity99.4% Below 90% purity0% Mean dose vs label+9.8% Underfilled5% Endotoxin pass100% Within 10% of label dose49% Overdosed ≥ +7%56% Underdosed ≤ −7%8%

COAs per testing lab

Every lab testing Thymosin Alpha 1 in the corpus.

Freedom Diagnostics 698 99.7% med
Janoshik 97 99.6% med
Unattributed / lab unknown 11 99.7% med
ILS Laboratories 8 99.3% med
Chromate 6 99.1% med
Vanguard Laboratory 5 99.6% med
Accumark Labs 2 99.6% med
Testides 1 99% med

Tested-purity distribution

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

Thymosin Alpha 1 tested-purity distribution
Purity rangeCertificates
0–50%2
50–70%0
70–80%0
80–85%0
85–90%0
90–91%0
91–92%0
92–93%0
93–94%1
94–95%0
95–96%0
96–97%1
97–98%1
98–99%10
99–100%812

COAs over time

Thymosin Alpha 1 source records by test month (discovery month when test date is absent).

Thymosin Alpha 1 certificates per month
MonthCertificates
2022-081
2023-041
2023-111
2023-122
2024-011
2024-043
2024-051
2024-062
2024-072
2024-113
2024-121
2025-012
2025-023
2025-033
2025-046
2025-055
2025-065
2025-0717
2025-0811
2025-0911
2025-1019
2025-1142
2025-1231
2026-0162
2026-0262
2026-0349
2026-0442
2026-0564
2026-0686
2026-0782
2026-0891
2026-0993
2026-1024

Most-tested vendors

Top 10 of 15 vendors by Thymosin Alpha 1 certificate count.

TitrateLab ProVendor names in this chart are hidden. Lab-report counts stay public.Vendor namesOriginal COAsBatch detailsBuyer reviewsPrice and stock alertsSee vendor names with Pro
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Lab evidence

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Lab evidence

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Lab evidence

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Lab evidence

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9 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

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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.

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Lab evidence

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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 name available with ProExplore reports + 7

Lab evidence

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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 name available with ProExplore reports + 6

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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Vendor name available with ProExplore reports + 6

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
Vendor name available with ProExplore reports + 6

Lab evidence

Free preview

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.

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
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+ 5 more vendors with fewer certificates.

Published Thymosin Alpha 1 certificates of analysis

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

Reading Thymosin Alpha 1 lab reports

A valid report describes the sample that was submitted, not every vial sold under the same name. Guide: How to verify and read a peptide COA: 5 checks.

More COA results by compound