Systemic GHK-Cu does different things from locally applied GHK-Cu, and the dose-response curves are different
After ingestion, stomach acid separates B12 from food proteins, and then intrinsic factor produced in the stomach lining binds to B12 so it can be absorbed in the ileum (the final section of the small intestine)
The incidence of heart failure increases with age, rising from 20 per 1,000 individuals aged 65 to 69 to more than 80 per 1,000 individuals over 80 years of age
Retrieved from Halford, J.C
A deficiency in this vitamin can lead to fatigue, and injections can quickly restore your levels
The compound's potential impact on dopamine pathways also opens avenues for research into reward systems and addiction, adding another layer of complexity and potential application