Vitamin B complex injections provide multiple B vitamins that support energy metabolism, neurotransmitter synthesis, and nervous system function
It is an inert vehicle, so any adverse effects are usually related to the act of injection or the medication being administered rather than the diluent
Topicals can fit well when your goal is skin quality, not a lift, and when you use sunscreen and gentle cleansing most days
Topical research formulations commonly reference GHK-Cu concentrations in the range of 0.05% to 2%, with research formulations frequently using 1-2% for skin regeneration research and lower concentrations for sensitive-area research
en J Appl Physiol (2011), la revisin de Sikiric et al
So if I do have a drink, I may risk increasing the inflammation and I don't want to do that