Peptide therapy can also be costly and may not be covered by insurance
[PMC free article: PMC6590120] [PubMed: 30657638] 4
Viswanathan, P., Sharma, Y., Gupta, P
So far GHK-Cu has the best research and it seems to have promise when used topically for cosmetic purposes
10.1155/2019/8563845 Oxid Med Cell Longev
In a previous clinical study, the Achilles tendons of patients with rheumatoid arthritis who received dexamethasone treatment for at least 3 months had a low density of collagen type 1 ( In vitro analyses have shown that dexamethasone treatment reduces the gene expression of collagen type 1, collagen synthesis, and proliferation of tenocytes (Wong et al., 2003