The recombinant SOD (e.g., obtained from mice milk) has a short plasma half-life when injected into animals (Halliwell and Gutteridge, 2015)
When used appropriately, peptides are generally well tolerated for many patients, though most are not FDA approved
Regulates Metalloproteins and Enzymatic Activity GHK-Cu plays a role in the regulation of metalloproteins and metal-dependent enzymes, which are essential for extracellular matrix turnover and cellular metabolism
Right now, there is no solid, peer-reviewed research showing that oral peptide products (like those sold online) reliably reach the bloodstream or create the same healing effects seen with injectable peptides Though some peptides can be compounded for oral administration or given sublingually (under the tongue), there therapeutic impact is typically limited
GHK-Cu follows the natural hair cycle, which limits how quickly visible results can appear
For example, a company could introduce smaller, premium-priced packages to maintain profitability