ghk-cu mechanism of action and tolerance for Hair Growth: Protocols GHK-Cu Peptides: Unlocking the Copper
Description
Abnormalities of synaptic mitochondria in autism spectrum disorder and related neurodevelopmental disorders
Vitamin B12 and other injections are often used together with the medicine

Conversely, if you're currently taking HCG and not TRT, starting to take TRT might not help in the ways you want
Research on GHK-Cu tablets shows they are generally well tolerated