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doi:10.1093/rheumatology/keu181 38Dika E, Ravaioli GM, Fanti PA,

PDL1, CTLA4, TIM3, and LAG3-mediated signaling lowers effector T cell proliferation and cytotoxic effects on cancer cells [50], while increasing effector T cell anergy and exhaustion [48]

It has decades of clinical use, a clean safety profile, and a documented benefit pattern that includes improved sleep, IGF-1 elevation, modest body composition effects, and skin quality changes

There is also a potentially protective neuropeptide, apelin-13, which has been shown to play an important role in neurological impairments such as depression and anxiety [99]

GHK-Cu PHARMACEUTICAL GRADE