Human Glutathione S Transferase Theta 2 (GSTt2) Protein US$ 28.97 Min. order: 1 piece ★★★★★ 4.2 (274 reviews) Sold : Login>>
Glutathione Supplementation Increases Body Stores, may be Significant for Overall Health Maintenance US$ 29.04 Min. order: 1 piece ★★★★★ 4.8 (261 reviews) Sold : Login>>
Glutathione diethyl ester TFA | Glutathione Delivery Agent US$ 27.60 Min. order: 1 piece ★★★★★ 4.8 (102 reviews) Sold : Login>>
Copper Peptide Serum for Dull & Mature Skin US$ 28.03 Min. order: 1 piece ★★★★★ 4.0 (179 reviews) Sold : Login>>
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$ 24.24 Min. order: 1 piece ★★★★★ 4.8 (102 reviews) Sold : Login>>