are b12 injections felt immediately What Is Injection What's all the Buzz About Vitamin B12 Shots? Where Should Vitamin B12 Be
Description
doi: 10.3390/ijms19092722 29

Additionally, cobalamin contributes to cell growth and the breaking down of fats, carbohydrates, and proteins

The best way to get vitamin B12 is through your diet

Patients cannot absorb B12 orally, so IM injections are required indefinitely
What causes vitamin B12 deficiency