ghk-cu naturally occurring declines with age for Anti-Aging: Does This Copper Peptide Really Work? GHK-Cu | Core Smiles

Cellular senescence is a state in which cells permanently exit the cell cycle but resist apoptosis (programmed cell death), accumulating in tissues with age and secreting a cocktail of inflammatory factors known as the senescence-associated secretory phenotype (SASP)

People have no idea what they are injecting, who they are buying it from, and any potential side effects

Also stress , be it physical or mental can deplete B12

The released GH acts on the liver and other tissues to produce IGF-1, the insulin-like growth factor that mediates most of GH's anabolic and repair effects

(2015) [11] were excluded because they did not report on free testosterone levels

This is a crucial distinction