COA results by compound

Selank COA — Verified Certificate of Analysis Results

682 independent third-party certificates of analysis for Selank, from 7 labs across 471 vendors (2023-04-17 to 2026-07-03).

Every Selank certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 682 published Selank certs in our corpus.

Assay metrics

Selank lab-testing metrics

99.8%
Median tested purity
0
Zero-purity certs
Mean purity99.7% Mean dose vs label+12.8% Within 10% of label dose36% Overdosed ≥ +7%68% Underdosed ≤ −7%7%

COAs per testing lab

Every lab testing Selank in the corpus.

Freedom Diagnostics 561 99.7% med
Janoshik 111 99.8% med
Unattributed / lab unknown 3 99.7% med

Tested-purity distribution

Bins below 90% tested purity.

Selank tested-purity distribution
Purity rangeCertificates
0–50%0
50–70%0
70–80%0
80–85%0
85–90%0
90–91%0
91–92%0
92–93%0
93–94%0
94–95%1
95–96%1
96–97%0
97–98%4
98–99%10
99–100%666

COAs over time

Selank certificates published per month.

Selank certificates per month
MonthCertificates
2023-041
2023-112
2024-051
2024-072
2024-081
2024-091
2024-121
2025-014
2025-038
2025-043
2025-058
2025-0611
2025-0713
2025-0819
2025-0925
2025-1037
2025-1154
2025-1249
2026-0148
2026-0276
2026-0328
2026-0467
2026-0596
2026-06114
2026-0713

Most-tested vendors

Top 10 of 15 vendors by Selank certificate count.

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

Verified Vendor A 🔒 13
Verified Vendor B 🔒 10
Verified Vendor C 🔒 8
Verified Vendor D 🔒 7
Verified Vendor E 🔒 7
Verified Vendor F 🔒 6
Verified Vendor G 🔒 5
Verified Vendor H 🔒 5
Verified Vendor I 🔒 5
Verified Vendor J 🔒 4

+ 5 more vendors with fewer certificates.

Verified Selank certificates of analysis

VendorPurityDose vs labelLabTested
Pepguard Research LLC 99.73% +19.9% Freedom Diagnostics 2026-07-03 View COA →
Treasure Coast Peptides 99.79% +17.6% Freedom Diagnostics 2026-07-02 View COA →
Pure Drop Labs 99.85% -10.7% Freedom Diagnostics 2026-07-02 View COA →
Organix Labz LLC 99.7% +9.2% Freedom Diagnostics 2026-07-02 View COA →
HelixPep 99.83% — Freedom Diagnostics 2026-07-02 View COA →
HelixPep 99.76% — Freedom Diagnostics 2026-07-02 View COA →
Bee Sweet 99.57% +13.3% Freedom Diagnostics 2026-07-02 View COA →
Zyren Research 99.88% +5.2% Freedom Diagnostics 2026-07-01 View COA →
Trulife Peptides 99.71% +12.4% Freedom Diagnostics 2026-07-01 View COA →
Purity Analytics 99.77% -5.0% Freedom Diagnostics 2026-07-01 View COA →
NOVA RESEARCH LABS LLC 99.51% +29.6% Freedom Diagnostics 2026-07-01 View COA →
Modern Aminos 99.88% +8.3% Freedom Diagnostics 2026-07-01 View COA →
G Tech 99.72% +10.5% Freedom Diagnostics 2026-07-01 View COA →
Zen Aminos 99.86% +2.0% Freedom Diagnostics 2026-06-30 View COA →
ZC Labs 99.85% -0.6% Freedom Diagnostics 2026-06-29 View COA →
LT Peptides 99.86% — Freedom Diagnostics 2026-06-29 View COA →
Aligned Aminos 99.73% -2.7% Freedom Diagnostics 2026-06-29 View COA →
Pepta Peptides 99.84% +20.3% Freedom Diagnostics 2026-06-28 View COA →
MRP 99.74% +19.8% Freedom Diagnostics 2026-06-28 View COA →
Hexis Research 99.52% +12.6% Freedom Diagnostics 2026-06-28 View COA →
Guardian Global - Peptides 99.57% +1.8% Freedom Diagnostics 2026-06-28 View COA →
White Market Peptides 99.69% +11.3% Freedom Diagnostics 2026-06-27 View COA →
Research 1 Peptides 99.82% — Freedom Diagnostics 2026-06-27 View COA →
Ray Santamaria 99.85% +9.2% Freedom Diagnostics 2026-06-27 View COA →
Bionic Longevity LLC 99.92% -4.4% Freedom Diagnostics 2026-06-27 View COA →
AminoShoppe 99.64% +4.9% Freedom Diagnostics 2026-06-27 View COA →
ResearchPeps 99.78% -2.1% Freedom Diagnostics 2026-06-26 View COA →
PeptideSupplyCo.com 99.69% +30.4% Freedom Diagnostics 2026-06-26 View COA →
Onyx Research 99.84% +28.2% Freedom Diagnostics 2026-06-26 View COA →
YouRetty 99.79% -0.5% Freedom Diagnostics 2026-06-25 View COA →
SYNRG 99.54% +7.5% Freedom Diagnostics 2026-06-25 View COA →
Peptide Pond 99.7% +28.1% Freedom Diagnostics 2026-06-25 View COA →
Light mtg 99.89% +6.0% Freedom Diagnostics 2026-06-25 View COA →
JAG Biolabs 99.86% +2.7% Freedom Diagnostics 2026-06-25 View COA →
Halo Peptides 99.64% +16.9% Freedom Diagnostics 2026-06-25 View COA →
CRC 99.86% +9.3% Freedom Diagnostics 2026-06-25 View COA →
Vericor 99.5% +5.5% Freedom Diagnostics 2026-06-24 View COA →
Precision Research 99.81% -4.9% Freedom Diagnostics 2026-06-24 View COA →
Power Built Labs 99.77% +18.8% Freedom Diagnostics 2026-06-24 View COA →
Patricia Barnard 99.81% +6.9% Freedom Diagnostics 2026-06-24 View COA →
Amino Lair 99.48% — Freedom Diagnostics 2026-06-24 View COA →
AxonChems LLC 99.95% +2.4% Freedom Diagnostics 2026-06-23 View COA →
AxonChems LLC 99.86% +17.2% Freedom Diagnostics 2026-06-23 View COA →
Elite Eons 99.92% +12.6% Freedom Diagnostics 2026-06-22 View COA →
Bionetik Labs 99.76% +14.3% Freedom Diagnostics 2026-06-22 View COA →
A1 Compounds 99.64% +4.8% Freedom Diagnostics 2026-06-22 View COA →
Peptology USA 99.71% -4.1% Freedom Diagnostics 2026-06-21 View COA →
LMG Bio Lifesciences 99.71% +27.8% Freedom Diagnostics 2026-06-21 View COA →
Bio Point Peptides 99.8% -6.2% Freedom Diagnostics 2026-06-21 View COA →
Ascend .Science 99.95% +20.8% Freedom Diagnostics 2026-06-21 View COA →
Zentra Compounds 99.85% +19.6% Freedom Diagnostics 2026-06-20 View COA →
Velora life 99.56% +13.9% Freedom Diagnostics 2026-06-20 View COA →
Midwest Peptide 99.39% — Freedom Diagnostics 2026-06-20 View COA →
Miami BioTides 99.85% +18.7% Freedom Diagnostics 2026-06-20 View COA →
Go Peptides 99.74% +15.7% Freedom Diagnostics 2026-06-20 View COA →
Zova Labs 99.77% +7.6% Freedom Diagnostics 2026-06-18 View COA →
Thrive Peptides 99.68% +0.3% Freedom Diagnostics 2026-06-18 View COA →
Tegridy Research 99.52% +14.8% Freedom Diagnostics 2026-06-18 View COA →
Taurus Peptides,LLC 99.94% +4.2% Freedom Diagnostics 2026-06-18 View COA →
Taurus Peptides,LLC 99.69% +15.0% Freedom Diagnostics 2026-06-18 View COA →

Showing the 60 most recent of 682 Selank certificates.

Selank research & evidence → Verify a Selank COA → Browse vendors →

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