ghk cu collagen production GHK-Cu is one of the most exciting regenerative peptides for supporting healthy skin, hair, recovery, and overall tissue health from within. Known for its potential to support production, cellular repair, and GHK-CU 50mg Vial - Buy
Description
The compound has been characterised through Michael-addition aldehyde-quenching and superoxide-dismutase-mimetic activity in the copper-bound complex

This company is a great source
If anything, its a good reminder that you should def chat with your doc about finding out if youre deficient in B12 before you take a supplement

That biology is still being sorted out