W.TalalayP.et al (2014)
The standard 4-5 mL of bac water for a 50 mg GHK-Cu vial brings concentration into the 10-12.5 mg/mL range, well within solubility limits and producing comfortable injection volumes for 2-3 mg doses
S., & Rother, K
In research, doses vary but subcutaneous injection using insulin syringes is common, with concentration adjustments made based on experimental design
(More information) Excess molybdenum intake causes fatal copper deficiency diseases in grazing animals
Moberly SP, Mather KJ, Berwick ZC, Owen MK, Goodwill AG, Casalini ED, Hutchins GD, Green MA, Ng Y, Considine RV, Perry KM, Chisholm RL, Tune JD: Impaired cardiometabolic responses to glucagon-like peptide 1 in obesity and type 2 diabetes mellitus