In-vitro fibroblast studies indicate that GHK-Cu upregulates transcription of collagen and elastin genes and supplies copper as a cofactor for lysyl oxidase, the enzyme that cross-links these matrix proteins
The encouraging news is that dealing with the underlying metabolic issues can help, and thats where GLP-1 medications may offer support
Cancer 100 , 13691372 (2009)
It has been experimented that plants do not contain vitamin B12, so individuals who follow a vegetarian diet, especially strict vegetarians who avoid all animal products, may not get enough B12 unless they consume fortified foods or supplements
The most recent study from France titled GLP-1 receptor agonists and the risk of thyroid cancer (2) concluded that there was, in fact, an increased risk of all thyroid cancer and medullary thyroid cancer with the use of GLP-1 receptor agonists, in particular after 1-3 years of treatment
That is why it is important to ensure adequate levels, especially during recovery and endurance sports