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Mechanistically, GHK-Cu has been shown to stimulate collagen and elastin synthesis in dermal fibroblasts, increase decorin (a small proteoglycan that helps regulate collagen organization), and influence matrix metalloproteinases and their inhibitors

A standard GLP diet and fresh water were provided ad libitum

Research has shown that even in people without any underlying health conditions, when taking a 500 microgram oral supplement, only 10 micrograms (or 2%) is absorbed (Carmel, 2008)

Lastly, methylcobalamin reduces the level of cysteine in nerve cells by promoting its conversion to the essential amino acid methionine and its effects on homocysteine regulation