The two terms refer to the same molecule
A 2006 Achilles-detachment study by Krivic and colleagues in the same journal applied BPC-157 intraperitoneally once daily at 10 g/kg, 10 ng/kg, or 10 pg/kg for 30 days in rats and reported that tendon-to-bone tissue, which did not heal spontaneously in saline controls, recovered with BPC-157 treatment, with directionally improved load-to-failure, stiffness, Young's modulus, and collagen organization at days 121, including in animals where healing had been impaired by 1 mg/kg 6-methylprednisolone though the abstract does not report numeric effect sizes or p-values
It is a metabolic stressor one that actively worsens insulin sensitivity, elevates cortisol, disrupts GH secretion, upregulates hunger hormones, and promotes visceral fat accumulation
For one, the liposomal carrier theory is just that a theory
GHK-Cu is also used in muscle recovery, tissue repair, and reducing inflammation.
Many clients report increased energy levels shortly after the injection, with metabolic benefits developing over time with regular treatments