can you give yourself a b12 injection Ivy Grove Surgery : Self-administration of B12 Shots at Home: How,

Liquid B12 (Liposomal Hydroxocobalamin) is a slow-release, long-acting form of vitamin B12.* Hydroxocobalamin may help your body maintain steadier levels of B12.* Like the methylcobalamin form, hydroxocobalamin is highly absorbed, yet, its slower release time may be better tolerated by certain people.*

Vitamin B12 Cyanocobalamin Injection by American Regent is a sterile solution used to treat vitamin B12 deficiency and prevent associated conditions such as pernicious anemia and neurological disorders

According to Rukhlenko et al

This is why deficiency becomes increasingly common with age, affecting up to 30% of adults over 60