COA results by compound

TB-500 COA — Verified Certificate of Analysis Results

1253 independent third-party certificates of analysis for TB-500, from 12 labs across 676 vendors (2021-02-27 to 2026-07-09).

Every TB-500 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 1253 published TB-500 certs in our corpus.

Assay metrics

TB-500 lab-testing metrics

99.4%
Median tested purity
10
Zero-purity certs
Mean purity98.1% Mean dose vs label+9.7% Endotoxin pass100% Within 10% of label dose49% Overdosed ≥ +7%59% Underdosed ≤ −7%7%

COAs per testing lab

Every lab testing TB-500 in the corpus.

Freedom Diagnostics 804 99.3% med
Janoshik 258 99.6% med
Finnrick (Lab E) 132 98.5% med
Finnrick (Lab G) 25 99.7% med
Finnrick (Lab A) 11 98.9% med
Peptide Test 7 99.7% med
Finnrick (Lab D) 2 99.5% med
Finnrick (Lab F) 2 99.1% med
Unattributed / lab unknown 2 99.5% med

Tested-purity distribution

Bins below 90% tested purity.

TB-500 tested-purity distribution
Purity rangeCertificates
0–50%12
50–70%1
70–80%3
80–85%2
85–90%8
90–91%1
91–92%2
92–93%2
93–94%4
94–95%2
95–96%11
96–97%14
97–98%24
98–99%93
99–100%1066

COAs over time

TB-500 certificates published per month.

TB-500 certificates per month
MonthCertificates
2021-021
2022-111
2023-041
2023-051
2023-061
2023-095
2023-111
2023-121
2024-014
2024-024
2024-032
2024-044
2024-055
2024-064
2024-074
2024-086
2024-092
2024-106
2024-113
2024-123
2025-019
2025-028
2025-0315
2025-0415
2025-0517
2025-0622
2025-0729
2025-0826
2025-0948
2025-1074
2025-1164
2025-1294
2026-01106
2026-02157
2026-0377
2026-04110
2026-05135
2026-06173
2026-0715

Most-tested vendors

Top 10 of 15 vendors by TB-500 certificate count.

See who tests most — unlock the vendor names with Pro.

Verified Vendor A 🔒 19
Verified Vendor B 🔒 19
Verified Vendor C 🔒 18
Verified Vendor D 🔒 17
Verified Vendor E 🔒 17
Verified Vendor F 🔒 13
Verified Vendor G 🔒 13
Verified Vendor H 🔒 12
Verified Vendor I 🔒 12
Verified Vendor J 🔒 11

+ 5 more vendors with fewer certificates.

Verified TB-500 certificates of analysis

VendorPurityDose vs labelLabTested
Alpha BioPharma 98.71% — Janoshik 2026-07-09 View COA →
Peptaris 99.66% — Freedom Diagnostics 2026-07-03 View COA →
Equitide Peptide Vitality 99.62% +1.6% Freedom Diagnostics 2026-07-03 View COA →
Soma Research, LLC 99.08% -2.5% Freedom Diagnostics 2026-07-02 View COA →
Peptriva Research 99.8% +32.8% Freedom Diagnostics 2026-07-02 View COA →
National Science Labs, LLC 99.13% +10.9% Freedom Diagnostics 2026-07-02 View COA →
Bee Sweet 99.87% +12.6% Freedom Diagnostics 2026-07-02 View COA →
Anvil Compounds 99.16% +24.2% Freedom Diagnostics 2026-07-02 View COA →
Trulife Peptides 99.42% +17.6% Freedom Diagnostics 2026-07-01 View COA →
TC Supply 99.78% +21.5% Freedom Diagnostics 2026-07-01 View COA →
RIVN Peptides 99.83% +10.7% Freedom Diagnostics 2026-07-01 View COA →
Peptide Perfection 99.86% +32.5% Freedom Diagnostics 2026-07-01 View COA →
ORDINIS Life Science 99.28% +33.8% Freedom Diagnostics 2026-07-01 View COA →
OBM- Alternative Therapy 99.22% -4.2% Freedom Diagnostics 2026-07-01 View COA →
Axion Pept 99.83% +35.7% Freedom Diagnostics 2026-07-01 View COA →
Stemalia 99.7% +13.2% Freedom Diagnostics 2026-06-30 View COA →
Revival Labs LLC 99.46% +30.8% Freedom Diagnostics 2026-06-30 View COA →
NODEX Corp 99.92% +19.6% Freedom Diagnostics 2026-06-30 View COA →
NODEX Corp 99.25% +23.4% Freedom Diagnostics 2026-06-30 View COA →
Genesis Peptides 99.02% +36.2% Freedom Diagnostics 2026-06-30 View COA →
Centennial Peptides 99.56% +19.1% Freedom Diagnostics 2026-06-30 View COA →
Kara 98.432% — Janoshik 2026-06-30 View COA →
Protide Health 99.27% +27.1% Freedom Diagnostics 2026-06-29 View COA →
Peter Piper's Peppers 99.46% +0.9% Freedom Diagnostics 2026-06-29 View COA →
NOVUS 99.04% +18.2% Freedom Diagnostics 2026-06-29 View COA →
NG Syndicate 99.84% +16.0% Freedom Diagnostics 2026-06-29 View COA →
Holos LLC 99.33% +9.8% Freedom Diagnostics 2026-06-29 View COA →
Apogee Peptides, LLC 99.13% +8.1% Freedom Diagnostics 2026-06-29 View COA →
Ascend Amino 99.1% +8.6% Freedom Diagnostics 2026-06-28 View COA →
Short Chain Aminos 99.25% +12.0% Freedom Diagnostics 2026-06-27 View COA →
Ray Santamaria 99.86% +22.4% Freedom Diagnostics 2026-06-27 View COA →
Precision Research 99.1% +27.8% Freedom Diagnostics 2026-06-27 View COA →
Oath Research 99.62% +4.9% Freedom Diagnostics 2026-06-27 View COA →
Bionic Longevity LLC 99.02% +4.0% Freedom Diagnostics 2026-06-27 View COA →
Averis Labs Peptides 99.35% +14.6% Freedom Diagnostics 2026-06-27 View COA →
Pure Peptide Labs LLC 99.31% +17.5% Freedom Diagnostics 2026-06-26 View COA →
Pure Peptide Labs LLC 99.11% +19.8% Freedom Diagnostics 2026-06-26 View COA →
Formera Research 99.61% +10.7% Freedom Diagnostics 2026-06-26 View COA →
Clarence Knight 99.91% +26.8% Freedom Diagnostics 2026-06-26 View COA →
YouRetty 99.94% -7.0% Freedom Diagnostics 2026-06-25 View COA →
Tranmoo 99.26% — Freedom Diagnostics 2026-06-25 View COA →
SIRIUX LABS 99.46% +8.6% Freedom Diagnostics 2026-06-25 View COA →
Prime Longevity Peptides 99.49% — Freedom Diagnostics 2026-06-25 View COA →
Peptide Pond 99.75% +0.5% Freedom Diagnostics 2026-06-25 View COA →
Independent Peptide 99.68% +23.4% Freedom Diagnostics 2026-06-25 View COA →
Halo Peptides 99.57% +13.8% Freedom Diagnostics 2026-06-25 View COA →
Unknown vendor (review) 99.61% +26.9% Freedom Diagnostics 2026-06-25 View COA →
Umbrella 99.58% — Freedom Diagnostics 2026-06-24 View COA →
Bob Otoole 99.04% — Freedom Diagnostics 2026-06-24 View COA →
Wuhan Wansheng Biotechnology 99.7% -8.5% LabE 2026-06-23 View COA →
PepMarket LLC 99.7% +17.3% Freedom Diagnostics 2026-06-23 View COA →
JoeLu's 99.5% — Freedom Diagnostics 2026-06-23 View COA →
AxonChems LLC 99.56% +7.3% Freedom Diagnostics 2026-06-23 View COA →
Veratis 99.19% +10.8% Freedom Diagnostics 2026-06-22 View COA →
Uwa 99.65% +6.7% Freedom Diagnostics 2026-06-22 View COA →
Path Peptides 99.77% +19.3% Freedom Diagnostics 2026-06-22 View COA →
Metabolic Reset 99.28% — Freedom Diagnostics 2026-06-22 View COA →
Jay 99.65% +6.7% Freedom Diagnostics 2026-06-22 View COA →
Helios Research 99.71% +17.9% Freedom Diagnostics 2026-06-22 View COA →
Everest Peptides 99.28% +18.5% Freedom Diagnostics 2026-06-22 View COA →

Showing the 60 most recent of 1253 TB-500 certificates.

TB-500 research & evidence → Verify a TB-500 COA → Browse vendors →

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