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By Manuel Bowman Fact-checked by Payton Olsen Last updated June 2026

Skin appears more luminous, tone looks more uniform, and texture may feel smoother

For example, its regenerative and angiogenic effects may aid therapies involving nerve reconstruction and penile transplants of muscle or cartilage tissues

HGH can also be used intermittently with the stack but may suppress natural GH production over time

This includes bones (ilium, femur, and tibia), tendons (all four parts of the quadriceps muscle ultimately inserted into the tuberosity of the tibia via the patella, where the quadriceps tendon becomes the patellar ligament), joints, neurovascular elements, and the muscles responsible for moving the legs [23]

GHK-Cu is a naturally occurring complex that was first identified in human plasma