A 2025 meta-analysis of 12 RCTs involving more than 25,000 participants showed no elevated risk of any cancer type, including thyroid (RR 1.07, 0.225.12 p = 0.93), pancreatic (RR 0.85, 0.107.43 p = 0.89), or gastrointestinal malignancy (RR 0.73, 0.262.04 p = 0.54) [147]
These may be influenced by numerous factors including placebo effects, concurrent lifestyle changes, and selection bias
(PubMed) UK Prospective Diabetes Study (UKPDS) Group
Before shipment, each lot of Pure Copper peptide undergoes rigorous testing for active ingredient content, pesticide residues when applicable, moisture content, heavy metals including lead, cadmium, mercury, and arsenic, and comprehensive microbiological analysis including total plate count, yeast and mold, coliforms, Salmonella, and Staphylococcus aureus
reconstituted with bacteriostatic water and stored refrigerated