can i inject myself with vitamin b12 Shots: Do They Actually Work? How to Self-Inject Vitamin B12

B12 plays an important role in the nervous system and adrenal health, both of which influence stress responses and hormone regulation

How we reviewed this article: Current Version October 03, 2025 Written By John DiBella Fact-checked By Dr

B12 shots can help by offering these benefits: Elevated mood Vast increase to physical endurance Increase in energy Boost to metabolism Better nutrient absorption Augmented fat burning Improved blood vessel network health Many people are often unaware of just how significant a lack of this B vitamin can be

Injectable B12 has few direct drug interactions, but certain medications can interfere with B12 absorption or measurement: Chloramphenicol: This antibiotic may antagonise the haematological response to B12 in some patients, potentially preventing the expected rise in red blood cell count