SS-31 Purity: 908 Lab Tests Across 526 Vendors

95 studies on SS-31 curated from PubMed, ClinicalTrials.gov, and EuropePMC. Updated daily.

We tested 908 SS-31 batches across 526 manufacturers

Independent certificate-of-analysis evidence from third-party labs — the data behind the studies. Updated as new COAs are verified. Read the full grey-market analysis →

99.78%
Avg purity
908
Batches tested
526
Manufacturers
47
Underdosed >10%
ManufacturerBatchesAvg purity
Unknown vendor (review) 36 99.77% View COA →
Peptaris 32 99.74% View COA →
Verified Peptides 9 99.85% View COA →
Simple Peptide 9 99.84% View COA →
Uther Peptide 8 99.81% View COA →
Ion Peptide 7 99.91% View COA →
MRP 7 99.88% View COA →
Felix Chemical Supply 7 99.84% View COA →

Recent certificates: #66905 (99.81%) · #65667 (99.93%) · #66077 (99.92%) · #66134 (99.83%) · #66320 (99.89%) · #66499 (99.61%)

Vendors who tested SS-31

Manufacturers with published third-party certificates of analysis for SS-31. Open a vendor to see every batch we've verified.

Peptaris 32 COAs · 99.7% avg Simple Peptide 9 COAs · 99.8% avg Verified Peptides 9 COAs · 99.8% avg UTHER 8 COAs · 99.8% avg Ion Peptide 7 COAs · 99.9% avg MRP 7 COAs · 99.9% avg Felix Chemical Supply 7 COAs · 99.8% avg GYC 7 COAs · 99.5% avg ABC 7 COAs · 99.4% avg Clinical Biomed LLC 6 COAs · 99.9% avg Planet Peptide 6 COAs · 99.9% avg Coffee And Peppers 6 COAs · 99.8% avg

Research tools

Free, no account — handy when you're working with SS-31.

Reconstitution calculator Bac water, concentration & insulin-unit math Verify a COA Look up a report number against our corpus