Preclinical research suggests GHK-Cu may support hair follicle health through multiple mechanisms, including stem cell activation, improved VEGF-driven blood supply, enlargement of follicle size, and possible 5-alpha reductase inhibition
However, here are some general guidelines: For individuals with a B12 deficiency, a common protocol may involve a daily dosage of 1,000 mcg for one week, followed by the same dosage once weekly, and then once per month after addressing the deficiency
The research supports both approaches depending on what you are optimizing for
Some doctors may also administer single-ingredient shots, such as vitamin B12, but these are Theres no official guidance on the frequency of lipotropic injections for weight loss