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Peptides are naturally occurring molecules that your body already produces
The proposed mechanism described in papers that were later retracted is that it potentiates hepatocyte growth factor (HGF) signaling at the c-Met receptor, driving dendritic spine formation and synaptogenesis
Theres a perception now in gym culture that injecting peptides, albeit ones made in a lab, is a safer way to go about getting gains than taking human growth hormone (hGH) and/or anabolic steroids
Some, including insulin and endorphins, occur naturally or have FDA-approved medical uses
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