COA results by compound

Melanotan II COA — Verified Certificate of Analysis Results

756 independent third-party certificates of analysis for Melanotan II, from 7 labs across 462 vendors (2022-08-12 to 2026-07-09).

Every Melanotan II certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 756 published Melanotan II certs in our corpus.

Assay metrics

Melanotan II lab-testing metrics

99.8%
Median tested purity
4
Zero-purity certs
Mean purity99.1% Mean dose vs label+5.7% Endotoxin pass100% Within 10% of label dose52% Overdosed ≥ +7%45% Underdosed ≤ −7%16%

COAs per testing lab

Every lab testing Melanotan II in the corpus.

Freedom Diagnostics 483 99.8% med
Janoshik 106 99.7% med
Finnrick (Lab E) 65 99.7% med
Finnrick (Lab A) 42 99.6% med
Finnrick (Lab B) 22 99.3% med
Finnrick (Lab D) 22 99.7% med
Finnrick (Lab G) 10 99.8% med
Finnrick (Lab F) 4 99.7% med
Unattributed / lab unknown 1 99.7% med

Tested-purity distribution

Bins below 90% tested purity.

Melanotan II tested-purity distribution
Purity rangeCertificates
0–50%4
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%0
95–96%1
96–97%3
97–98%10
98–99%29
99–100%708

COAs over time

Melanotan II certificates published per month.

Melanotan II certificates per month
MonthCertificates
2022-082
2022-091
2023-031
2023-061
2023-092
2023-101
2024-011
2024-022
2024-031
2024-051
2024-063
2024-073
2024-083
2024-103
2024-121
2025-017
2025-0237
2025-0321
2025-0417
2025-0543
2025-0622
2025-0719
2025-0814
2025-0920
2025-1044
2025-1143
2025-1240
2026-0140
2026-0263
2026-0333
2026-0460
2026-0596
2026-06106
2026-075

Most-tested vendors

Top 10 of 15 vendors by Melanotan II certificate count.

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

Verified Vendor A 🔒 12
Verified Vendor B 🔒 11
Verified Vendor C 🔒 10
Verified Vendor D 🔒 8
Verified Vendor E 🔒 8
Verified Vendor F 🔒 7
Verified Vendor G 🔒 7
Verified Vendor H 🔒 6
Verified Vendor I 🔒 6
Verified Vendor J 🔒 6

+ 5 more vendors with fewer certificates.

Verified Melanotan II certificates of analysis

VendorPurityDose vs labelLabTested
Alpha BioPharma 99.914% — Janoshik 2026-07-09 View COA →
Star Nutrasciences Inc. 99.9% +23.2% Freedom Diagnostics 2026-07-02 View COA →
ResearchPeps 99.93% +15.4% Freedom Diagnostics 2026-07-02 View COA →
Peptide Foundry 99.77% +0.3% Freedom Diagnostics 2026-07-01 View COA →
NOVA RESEARCH LABS LLC 99.73% +14.3% Freedom Diagnostics 2026-07-01 View COA →
Revival Labs LLC 99.89% +6.2% Freedom Diagnostics 2026-06-30 View COA →
Kara 99.747% — Janoshik 2026-06-30 View COA →
ZC Labs 99.7% +11.3% Freedom Diagnostics 2026-06-29 View COA →
NG Syndicate 99.93% +9.6% Freedom Diagnostics 2026-06-29 View COA →
FirstForm Peptides 99.98% -2.4% Freedom Diagnostics 2026-06-29 View COA →
Ozarks Research Cache LLC 99.94% +25.2% Freedom Diagnostics 2026-06-28 View COA →
Guardian Global - Peptides 99.72% -2.9% Freedom Diagnostics 2026-06-28 View COA →
Rocky Mountain Compounds 99.3% +10.8% Freedom Diagnostics 2026-06-27 View COA →
Pius Solutions, Inc. 99.88% +7.7% Freedom Diagnostics 2026-06-27 View COA →
Bionic Longevity LLC 99.92% +7.0% Freedom Diagnostics 2026-06-27 View COA →
PeptideSupplyCo.com 99.86% +22.6% Freedom Diagnostics 2026-06-26 View COA →
Oath Research 99.93% +18.4% Freedom Diagnostics 2026-06-26 View COA →
The Gray Area 99.83% -2.9% Freedom Diagnostics 2026-06-25 View COA →
SYNRG 99.91% +11.8% Freedom Diagnostics 2026-06-25 View COA →
JAG Biolabs 99.92% +5.1% Freedom Diagnostics 2026-06-25 View COA →
Independent Peptide 99.66% +3.1% Freedom Diagnostics 2026-06-25 View COA →
Amino Lair 99.81% — Freedom Diagnostics 2026-06-25 View COA →
True Peptide Labs 99.87% +4.6% Freedom Diagnostics 2026-06-24 View COA →
The Vitality Bar 99.32% +18.0% Freedom Diagnostics 2026-06-23 View COA →
PepMarket LLC 99.78% +8.0% Freedom Diagnostics 2026-06-23 View COA →
AxonChems LLC 99.84% -5.7% Freedom Diagnostics 2026-06-23 View COA →
Veratis 99.85% +10.5% Freedom Diagnostics 2026-06-22 View COA →
Uwa 99.89% +15.9% Freedom Diagnostics 2026-06-22 View COA →
Jay 99.89% +15.9% Freedom Diagnostics 2026-06-22 View COA →
EternaWell Peptides 99.91% -10.2% Freedom Diagnostics 2026-06-22 View COA →
Bionetik Labs 99.81% +3.2% Freedom Diagnostics 2026-06-22 View COA →
Ashley 99.89% +15.9% Freedom Diagnostics 2026-06-22 View COA →
Peptify Labs 99.45% +9.5% Freedom Diagnostics 2026-06-21 View COA →
Peptology USA 99.75% +10.3% Freedom Diagnostics 2026-06-21 View COA →
Peppertidez LLC 99.78% -0.6% Freedom Diagnostics 2026-06-21 View COA →
LMG Bio Lifesciences 99.82% +1.1% Freedom Diagnostics 2026-06-21 View COA →
Bio Point Peptides 99.9% +1.5% Freedom Diagnostics 2026-06-21 View COA →
Underground Pharm 99.84% +28.0% Freedom Diagnostics 2026-06-20 View COA →
Seattle Aminos 99.85% — Freedom Diagnostics 2026-06-20 View COA →
Phoenix Peptides LLC 99.72% -1.5% Freedom Diagnostics 2026-06-20 View COA →
Midwest Peptide 99.65% — Freedom Diagnostics 2026-06-20 View COA →
Miami BioTides 99.93% +21.6% Freedom Diagnostics 2026-06-20 View COA →
Front Range Aminos 99.85% — Freedom Diagnostics 2026-06-20 View COA →
Como Peptides 99.85% — Freedom Diagnostics 2026-06-20 View COA →
Nutrastrips 99.61% — Freedom Diagnostics 2026-06-19 View COA →
Hudson Research 99.91% +6.9% Freedom Diagnostics 2026-06-19 View COA →
Zova Labs 99.4% +11.9% Freedom Diagnostics 2026-06-18 View COA →
Taurus Peptides,LLC 99.79% +0.3% Freedom Diagnostics 2026-06-18 View COA →
Nova Life Peptides 99.88% +1.1% Freedom Diagnostics 2026-06-18 View COA →
Nebula Peptides 99.94% — Freedom Diagnostics 2026-06-18 View COA →
Kalyx labs LLC 99.92% +16.0% Freedom Diagnostics 2026-06-18 View COA →
InnerGlow Peptides 99.89% +34.7% Freedom Diagnostics 2026-06-18 View COA →
Grit & Grace 99.77% -3.5% Freedom Diagnostics 2026-06-18 View COA →
Forge Performance Co. 99.83% +17.6% Freedom Diagnostics 2026-06-18 View COA →
Summit Science 99.89% +21.5% Freedom Diagnostics 2026-06-17 View COA →
Amino Annex 99.83% +7.9% Freedom Diagnostics 2026-06-17 View COA →
33 Degrees of Healing 99.91% +12.1% Freedom Diagnostics 2026-06-17 View COA →
Uther Peptide 99.575% +10.8% Janoshik 2026-06-15 View COA →
Superhuman Peptides 99.69% +2.9% Freedom Diagnostics 2026-06-15 View COA →
Quorvex 99.69% -0.5% Freedom Diagnostics 2026-06-15 View COA →

Showing the 60 most recent of 756 Melanotan II certificates.

Melanotan II research & evidence → Verify a Melanotan II COA → Browse vendors →

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