Your copper peptide product should be this exact blue. If it isn't, you already have your answer. GHK-Cu is blue because of coordination chemistry, not dye. The Cu²⁺ ion at the center US$ 28.51 Min. order: 1 piece ★★★★★ 4.9 (95 reviews) Sold : Login>>
Understanding Cagrilintide: Benefits and Uses US$ 29.26 Min. order: 1 piece ★★★★★ 4.4 (93 reviews) Sold : Login>>
Advanced Spectroscopy for Copper Peptide Research US$ 27.65 Min. order: 1 piece ★★★★★ 4.5 (193 reviews) Sold : Login>>
GHK-Cu 50mg | Copper Tripeptide Research Compound US$ 28.82 Min. order: 1 piece ★★★★★ 4.9 (298 reviews) Sold : Login>>
Buy GHK-Cu 50mg & 100mg - Copper Tripeptide US$ 20.80 Min. order: 1 piece ★★★★★ 4.3 (227 reviews) Sold : Login>>