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Derived from a protective protein found in human gastric juice, this research-grade peptide is supplied as a lyophilized (freeze-dried) powder in a 10mg, 5mL vial
This is the protein-synthesis arm
GHK-Cu is one of the most well-studied peptides available in clinical practice
Though it may be easy to consume enough B12 in your diet, many people have trouble accessing the vitamin from food
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