CJC-1295 Purity: 740 Lab Tests Across 335 Vendors

25 studies (1 from unattributed sources) on CJC-1295 curated from PubMed, ClinicalTrials.gov, and EuropePMC. Updated daily.

We tested 740 CJC-1295 batches across 335 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 →

97.32%
Avg purity
740
Batches tested
335
Manufacturers
53
Failed <90% purity
105
Underdosed >10%
ManufacturerBatchesAvg purity
Qing Li Peptide 18 99.01% View COA →
Peptide Sciences 11 99.35% View COA →
Hk Peptides 11 98.82% View COA →
Elite Research Usa 11 91.6% View COA →
Simple Peptide 10 98.9% View COA →
Peptaris 9 99.74% View COA →
Unknown vendor (review) 9 99.62% View COA →
Peptide Gurus 9 98.29% View COA →

Recent certificates: #55648 (99.82%) · #53415 (99.83%) · #41249 (99.59%) · #41269 (99.63%) · #59065 (99.85%) · #59066 (99.74%)

Vendors who tested CJC-1295

Manufacturers with published third-party certificates of analysis for CJC-1295. Open a vendor to see every batch we've verified.

QLP 18 COAs · 99.0% avg Peptide Sciences 11 COAs · 99.4% avg Hk Peptides 11 COAs · 98.8% avg Elite Research Usa 11 COAs · 91.6% avg Simple Peptide 10 COAs · 98.9% avg Peptaris 9 COAs · 99.7% avg Unknown vendor (review) 9 COAs · 99.6% avg Peptide Gurus 9 COAs · 98.3% avg Paramount Peptides 9 COAs · 98.1% avg Peptide Partners 9 COAs · 97.0% avg Nexaph 9 COAs · 95.9% avg Nutrastrips 8 COAs · 99.5% avg

Research tools

Free, no account — handy when you're working with CJC-1295.

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