There is an even more promising study from 1998 that was done on people and compared vitamin C, tretinoin, and copper-tripeptide
Regular testing ensures you don't become "over-replaced" (hyperthyroid)
But what many people dont realize is that GHK-Cu was first studied for its regenerative properties, not just on the surface of the skin
Glutathione (reduced) is the major detoxification molecule found in every cell of the body.* Reduced Glutathione encourages the normal growth of cells and is an important part of the antioxidant system of the body.* It is essential in helping promote normal detoxification in the liver.* Vital Nutrients uses Setria Glutathione, a patented ingredient used in clinical research that measured absorption and demonstrated a positive correlation between the dose and duration of oral Setria with increased glutathione levels in red blood cells, plasma, lymphocytes and buccal cells inside the mouth.*
One company that sells the drug stipulates that it should be used for laboratory and academic research, and that it should not be ingested or used on humans, but there doesnt appear to be any restrictions on its purchase beyond that warning
Our aim is to help our clients achieve clear and healthy skin