Aesthetic VIT B12 INJECTIONS ARE AVAILABLE NOW Unlike other forms of oral supplements, vitamin injections go straight to work. Oral supplements must be digested and absorbed by the body, B12 Shots: Vitamin B12 Injections Benefits, Uses, Risks Dr. Axe B12 Injections vs. Oral Supplements: Which Is Better? Recently I have been asked a lot for VitaminB12 injections. I initially decided not to offer vitamin B12 injections as some literature showed that the efficacy of oral vitamin B12 was the B12 Injections vs. Oral Supplements: Which Is Better?