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02 Batch-focused review Purity, mass, sterility, and product details are maintained with care
But this is just a suggested level, and dosage instructions are going to differ for each product you choose to purchase
GHK-Cu (sister peptide) delivered by repeated subcutaneous injection into rat wound chambers produced concentration-dependent increases in collagen, glycosaminoglycans, protein and DNA primary in-vivo evidence that the copper-tripeptide class is bioactive by injection in animals, but for GHK-Cu, not AHK-Cu
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