The mechanisms most cited in the literature are promotion of angiogenesis (new blood-vessel formation, linked to VEGFR2 signaling), modulation of growth-factor and nitric-oxide pathways, and interaction with the gut-brain axis
Studies where GHK was used for the healing of bone fractures in rats used a mixture of small molecules (Gly-His- Lys (. g/kg), dalargin (. g/kg) (an opioid-like synthetic drug), and the biological peptide thymogen (. g/kg) (L- glutamyl-L-tryptophan)) to heal bones
In addition to zinc, supplementation with other single nutrients may impact mood
doi: 10.1113/expphysiol.2006.034876
It also assists in the breakdown of proteins, fats, and carbohydrates
Methods All studies were conducted in accordance with protocols approved by the City of Hopes Internal Review Board (IRB) and Institutional Animal Care and Use Committee (IACUC)