TB-500, and copper peptide to build muscle, rejuvenate skin, and boost longevity. But do they work and are they safe?

GHK-Cu peptide has been suggested to enhance skin cell regeneration, more rapidly induce wound healing, and reduce inflammation. Researchers may be interested in GHK-Cu’s potential; our group has ...

Katie carefully takes a syringe out of its packet. She pricks the top of a small jar of blue liquid and pulls the plunger up. She turns and jabs the needle into her bum cheek and gives the camera a ...