ghk cu topical vs. injectable reddit before and after Topical ghk-cu : r/Biohackers
Description
Polymorphisms in various genes involved in vitamin B 12 metabolism, including the genes encoding the intrinsic factor-cobalamin receptor (60) and the holo-transcobalamin receptor (61), have been associated with increased NTD risk in some studies

By self-injecting B12, I now have my energy back and freedom to look after my own health

In the context of Epithalon, the induction of MMP2 expression might imply enhanced tissue regeneration and repair processes

B12 is vital for proper function and development of the brain, bone density, vision, and more
62 Gene Expression: It upregulates the transcription of early growth response 1 (EGR1) and its co-regulator NAB2, which are critical for collagen type I deposition in connective tissues

Kawakami M, Matsumoto T, Hashizume H, Kuribayashi K, Chubinskaya S, Yoshida M