Not sure which combination is right for you
In particular, B12 injections may not be right for you if you have kidney disease, Lebers disease, or allergies to cyanocobalamin, cobalt, or other medications, foods, dyes, or preservatives
Passport and/or identity card: Do not forget to bring the necessary documentation
This mirrors the clinically effective concentrations of GHK-Cu, so we can understand how brands arrived at this concentration
While supplementing with vitamin B12 may not improve performance in those who arent deficient, Cowling says that there is legitimate use of vitamin B12 supplementation if youre deficient or even at risk of a deficiency (more on that below)