Independent research on the state of peptide quality.
Every year since 2024 we publish a free, citable dataset on what we actually find in research peptide vials submitted for independent third-party testing. Released under CC BY 4.0.
75,500+
Samples analyzed
195+
Distinct suppliers
3 yrs
Of longitudinal data
Annual Quality Reports
Annual Report
2026
State of Research Peptide Quality
Our largest dataset to date. Under-fill remains the dominant defect; GLP-1 identity failures continue to drop.
30500
Samples
195
Suppliers
69%
Pass rate
Read report →
Annual Report
2025
State of Research Peptide Quality
Pass rates climbed 4 points year-over-year. Under-fill overtook purity as the #1 defect for the first time.
25000
Samples
168
Suppliers
62%
Pass rate
Read report →
Annual Report
2024
State of Research Peptide Quality
The baseline year. GLP-1 quality was alarmingly inconsistent and purity gaps led every failure category.
20000
Samples
142
Suppliers
58%
Pass rate
Read report →
Tools & Resources
Free tool
Peptide Reconstitution Calculator
Reconstitute and dose any peptide in U-100 insulin syringe units. Presets for common GLP-1 and healing peptides.
Open calculator →
Public dataset
Public COA Archive
Browse anonymized real Certificates of Analysis from our lab. Every COA is signed and verifiable.
Browse archive →