ARA-290 Purity: 31 Lab Tests Across 20 Vendors

14 studies on ARA-290 curated from PubMed, ClinicalTrials.gov, and EuropePMC. Updated daily.

We tested 31 ARA-290 batches across 20 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 →

99.09%
Avg purity
31
Batches tested
20
Manufacturers
1
Failed <90% purity
1
Underdosed >10%
ManufacturerBatchesAvg purity
Qingdao Sigma Chemical 3 99.76% View COA →
Verified Peptides 3 99.48% View COA →
Peptide Crafters 3 99.38% View COA →
Uther Peptide 3 95.1% View COA →
Peptide Gurus 2 99.78% View COA →
Edge Peptides 2 99.41% View COA →
MKM Peptides 2 98.88% View COA →

Recent certificates: #14813 (99.728%) · #10196 (99.629%) · #8425 (98.881%) · #20167 (99.872%) · #12005 (99.822%) · #12489 (99.822%)

Vendors who tested ARA-290

Manufacturers with published third-party certificates of analysis for ARA-290. Open a vendor to see every batch we've verified.

QSC 3 COAs · 99.8% avg Verified Peptides 3 COAs · 99.5% avg Peptide Crafters 3 COAs · 99.4% avg UTHER 3 COAs · 95.1% avg Peptide Gurus 2 COAs · 99.8% avg Edge Peptides 2 COAs · 99.4% avg MKM 2 COAs · 98.9% avg Growth Guys Canada 1 COA · 99.9% avg Sigma Audley 1 COA · 99.9% avg Bulk Peptide Supply 1 COA · 99.7% avg EZP 1 COA · 99.7% avg Modern Research LLC 1 COA · 99.7% avg

Research tools

Free, no account — handy when you're working with ARA-290.

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