ghk-cu peptide color Your copper product should be this exact blue. If it isn't, you already have your answer. is blue because of coordination chemistry, not dye. The Cu²⁺ ion at the center Protective PackagingTarget fine lines Size:10 x 10mg/10mg/50mg (one box) BPC-157 GHK-Cu Thymosin Alpha-1 NO SHIP: NC
SKU: 5884064428
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