The other form, 5-deoxyadenosylcobalamin, is a cofactor needed by the enzyme that converts L-methylmalonyl-CoA to succinyl-CoA
How Do Intramuscular, Oral, and Sublingual B12 Compare
DOI: 10.14740/jem211w Kwon DR & Park GY (2015) Effect of Intra-articular Injection of AOD9604 with or without Hyaluronic Acid in Rabbit Osteoarthritis Model Ann Clin Lab Sci 45(4):426432
If you'll be giving yourself shots at home (after proper training from us, of course!), always use a new needle and syringe each time and dispose of them safely in a special sharps container
If you choose to combine them, starting with lower concentrations of each makes sense until you understand how your scalp responds
This is one clear Vitamin B12 benefit people notice when their levels improve