zinc with ghk cu Zinc/copper supplement w/GHK : r/Biohackers GHK-Cu – 50mg – Peptidic.
Description
In simpler terms, it's ultra-pure water with a small amount of preservative added to keep it sterile even after you've punctured the vial's rubber stopper multiple times

Both cause gastrointestinal symptoms primarily during dose escalation

Among the tight junction proteins, the post-translational phosphorylation of occludin has been widely studied and is responsible for opening and sealing tight junctions 71
Thats not a place to gamble on an unverified source
