Selank Purity: 740 Lab Tests Across 476 Vendors

71 studies (2 from unattributed sources) on Selank curated from PubMed, ClinicalTrials.gov, and EuropePMC. Updated daily.

We tested 740 Selank batches across 476 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 →

99.66%
Avg purity
740
Batches tested
476
Manufacturers
25
Underdosed >10%
ManufacturerBatchesAvg purity
Peptaris 17 99.64% View COA →
Unknown vendor (review) 10 99.68% View COA →
Elite Research 10 99.27% View COA →
Centre Research 9 99.62% View COA →
Allen Biotechnology Co Abc 9 99.61% View COA →
Felix Chemical Supply 8 99.65% View COA →
Oath Research 7 99.74% View COA →
Legendary Peptides 6 99.75% View COA →

Recent certificates: #45596 (99.73%) · #27958 (99.57%) · #35472 (99.76%) · #35473 (99.83%) · #43982 (99.7%) · #51587 (99.85%)

Vendors who tested Selank

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

Peptaris 17 COAs · 99.6% avg Elite Research 10 COAs · 99.3% avg ABC 9 COAs · 99.6% avg Centre Research 9 COAs · 99.6% avg Felix Chemical Supply 8 COAs · 99.7% avg Oath Research 7 COAs · 99.7% avg Apex Peptides 6 COAs · 99.7% avg Legendary Peptides 6 COAs · 99.7% avg Planet Peptide 6 COAs · 99.5% avg Gulf Coast Amino Acids 5 COAs · 99.8% avg Jett Labs 5 COAs · 99.7% avg Ion Peptide 5 COAs · 99.5% avg

Research tools

Free, no account — handy when you're working with Selank.

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