how often to have a b12 injection Shots at Home: How, Where & Inject Yourself B12 Injection Dosage and Frequency:
Description
Its also needed for breaking down fatty acids and amino acids, which help us make energy

Injections can also be beneficial to a patients mental health by improving mood and helping with focus

Slower Results : It can take longer to experience the benefits of oral B12 supplementation compared to injections, especially if B12 levels are already very low
They are also used in some circumstances for weight loss