Selank Purity: 124 Lab Tests Across 83 Vendors

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

We tested 124 Selank batches across 83 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 →

99.62%
Avg purity
124
Batches tested
83
Manufacturers
ManufacturerBatchesAvg purity
Allen Biotechnology Co Abc 9 99.61% View COA →
Eternal Peptides 4 99.92% View COA →
(unknown) 4 99.77% View COA →
Qingdao Saber Technology Pharma Qst 3 99.96% View COA →
Uther Pharmaceutical 3 99.82% View COA →
GYC 3 99.79% View COA →
PGB 3 99.64% View COA →
Qingdao Sigma Chemical 3 99.19% View COA →

Recent certificates: #13238 (99.026%) · #12959 (99.84%) · #14202 (99.22%) · #12208 (99.685%) · #20243 (99.807%) · #14166 (99.882%)

Vendors who tested Selank

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

ABC 9 COAs · 99.6% avg Eternal Peptides 4 COAs · 99.9% avg QST 3 COAs · 100.0% avg GYC 3 COAs · 99.8% avg Uther Pharmaceutical 3 COAs · 99.8% avg PGB 3 COAs · 99.6% avg QSC 3 COAs · 99.2% avg JEEP 2 COAs · 99.9% avg Sigma Audley 2 COAs · 99.9% avg Verified Peptides 2 COAs · 99.9% avg APS 2 COAs · 99.8% avg Anonymous 2 COAs · 99.8% 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