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1% concentration = 10mg per 1ml (or gram) of product 2% concentration = 20mg per 1ml 3% concentration = 30mg per 1ml A 30ml bottle of 2% GHK-CU serum contains 600mg total peptide

[DOI] [PubMed] [Google Scholar] 10.Sonigo C, et al

Big Pharma has lost trust due to overcharging for drugs and overmarking products leading to harm, like Vioxx 20 years ago

TB-500, GHK-Cu, and AOD-9604 require injection

Cagrilintide remains a subject of ongoing laboratory research examining amylin receptor signaling and peptide regulatory pathways

In other cases, the regulatory Zn II coordination site may be at or very near the protein surface where it functions at a distance as an allosteric modulator of protein function