Ahk-cu Purity: 54 Lab Tests Across 44 Vendors

2 studies on Ahk-cu curated from PubMed, ClinicalTrials.gov, and EuropePMC. Updated daily.

We tested 54 Ahk-cu batches across 44 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 →

99.51%
Avg purity
54
Batches tested
44
Manufacturers
2
Underdosed >10%
ManufacturerBatchesAvg purity
Ion Peptide 4 99.69% View COA →
Peptide Tech 4 99.3% View COA →
Elite Research 2 99.89% View COA →
Luvion Bio LLC 2 99.67% View COA →
Step One Ventures 2 99.65% View COA →

Recent certificates: #41178 (99.79%) · #41482 (99.76%) · #38462 (99.64%) · #36928 (99.83%) · #36929 (99.86%) · #36931 (99.22%)

Vendors who tested Ahk-cu

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

Ion Peptide 4 COAs · 99.7% avg Peptide Tech 4 COAs · 99.3% avg Elite Research 2 COAs · 99.9% avg Luvion Bio LLC 2 COAs · 99.7% avg Step One Ventures 2 COAs · 99.7% avg GG By Neeks 1 COA · 100.0% avg Peptira LLC 1 COA · 100.0% avg Finesse Biopep 1 COA · 99.9% avg Research 1 Peptides 1 COA · 99.9% avg Tegridy Research 1 COA · 99.9% avg Treasure Coast Peptides 1 COA · 99.9% avg Kind Tides 1 COA · 99.8% avg

Research tools

Free, no account — handy when you're working with Ahk-cu.

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