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The copper complex in GHK-Cu is relatively stable, but there's no reason to stress it
The result is a sterile solution that can safely dilute or dissolve drugs for injection over an extended period
Please allow 5-9 days for air transportation and 20-35 days for sea transportation
Monitor side effects and adjust dosage as needed
Chen Y, Chen B, Wu T et al (2023) Cryo-EM structure of human -opioid receptor-Gi complex bound to an endogenous agonist dynorphin A
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