This is usually followed by an off-cycle period of at least the same duration to assess the results
However, their persistence in the environment raises serious toxicological concerns, such as lung toxicity (inflammation, fibrosis, and respiratory dysfunction), skin toxicity (allergic reactions and dermatitis), liver damage (oxidative stress and lipid peroxidation), kidney toxicity (nephrotoxicity and filtration interference), and cardiovascular problems (endothelial dysfunction and arterial plaque formation)
It appears that High Curler has emphasized large companies as all the usuals are present
GHK-Cu binds to copper-dependent enzymes (including lysyl oxidase) that cross-link and stabilize new collagen
This has prompted WADA to evaluate possible misuses of gene editing for doping and as a consequence, has included these technologies in the definition of Gene Doping since the 2018 Prohibited List